Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Steffan Maelzer

Bib: 29579 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
27:23
3.11 mi
Rank: #21757
Start β†’ 5K
27:23 | 8:49/mi
10K
54:38
6.21 mi
Rank: #21795 (-38)
5K β†’ 10K
27:15 | 8:47/mi
15K
1:21:38
9.32 mi
Rank: #21563 (+232)
10K β†’ 15K
27:00 | 8:42/mi
20K
1:50:29
12.43 mi
Rank: #21989 (-426)
15K β†’ 20K
28:51 | 9:18/mi
HALF
1:56:42
13.11 mi
Rank: #22050 (-61)
20K β†’ HALF
6:13 | 9:08/mi
25K
2:21:11
15.53 mi
Rank: #22667 (-617)
HALF β†’ 25K
24:29 | 10:06/mi
30K
2:55:20
18.64 mi
Rank: #23349 (-682)
25K β†’ 30K
34:09 | 11:00/mi
20M
3:13:08
20.00 mi
Rank: #23889 (-540)
30K β†’ 20M
17:48 | 13:07/mi
21M
3:29:25
21.00 mi
Rank: #24531 (-642)
20M β†’ 21M
16:17 | 16:17/mi
35K
3:38:10
21.75 mi
Rank: #24620 (-89)
21M β†’ 35K
8:45 | 11:42/mi
23M
3:52:14
23.00 mi
Rank: #24628 (-8)
35K β†’ 23M
14:04 | 11:15/mi
24M
4:02:54
24.00 mi
Rank: #24634 (-6)
23M β†’ 24M
10:40 | 10:40/mi
40K
4:12:55
24.85 mi
Rank: #24681 (-47)
24M β†’ 40K
10:01 | 11:43/mi
25.2M
4:17:18
25.20 mi
Rank: #24709 (-28)
40K β†’ 25.2M
4:23 | 12:43/mi
FINISH
4:27:07
26.22 mi
Rank: #24642 (+67)
25.2M β†’ FINISH
9:49 | 9:38/mi
Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link β€” view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:42
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:30:25
Pace11:29 /mi
πŸ“ŠPositive Split: 28.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0427:238:4927:23
8:49
-
10K
6.21 mi12:18:1954:388:4827:15
8:47
-0:02
15K
9.32 mi12:45:191:21:388:4627:00
8:42
-0:05
20K
12.43 mi13:14:101:50:298:5428:51
9:18
+0:36
HALF
13.11 mi13:20:231:56:428:556:13
9:08
-0:10
25K
15.53 mi13:44:522:21:119:0624:29
10:06
+0:58
30K
18.64 mi14:19:012:55:209:2534:09
11:00
+0:54
20M
20.00 mi14:36:493:13:089:4017:48
13:07
+2:07
21M
21.00 mi14:53:063:29:259:5916:17
16:17
+3:10
35K
21.75 mi15:01:513:38:1010:028:45
11:42
-4:35
23M
23.00 mi15:15:553:52:1410:0614:04
11:15
-0:27
24M
24.00 mi15:26:354:02:5410:0810:40
10:40
-0:35
40K
24.85 mi15:36:364:12:5510:1110:01
11:43
+1:03
25.2M
25.20 mi15:40:594:17:1810:134:23
12:43
+1:00
FINISH
26.22 mi15:50:484:27:0710:129:49
9:38
-3:05

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:42 /mi

Average Pace

10:12 /mi

Slowest Pace

16:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:06:31

47% of race

Time at Steady Pace

1:23:22

31% of race

Time at Slower Pace

57:14

21% of race

Average Pace: 10:11 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:0427:238:4927:23
8:49
#21757
10K
6.21 mi12:18:1954:388:4827:15
8:47
#21795
15K
9.32 mi12:45:191:21:388:4627:00
8:42
#21563
20K
12.43 mi13:14:101:50:298:5428:51
9:18
#21989
HALF
13.11 mi13:20:231:56:428:556:13
9:08
#22050
25K
15.53 mi13:44:522:21:119:0624:29
10:06
#22667
30K
18.64 mi14:19:012:55:209:2534:09
11:00
#23349
20M
20.00 mi14:36:493:13:089:4017:48
13:07
#23889
21M
21.00 mi14:53:063:29:259:5916:17
16:17
#24531
35K
21.75 mi15:01:513:38:1010:028:45
11:42
#24620
23M
23.00 mi15:15:553:52:1410:0614:04
11:15
#24628
24M
24.00 mi15:26:354:02:5410:0810:40
10:40
#24634
40K
24.85 mi15:36:364:12:5510:1110:01
11:43
#24681
25.2M
25.20 mi15:40:594:17:1810:134:23
12:43
#24709
FINISH
26.22 mi15:50:484:27:0710:129:49
9:38
#24642
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21757131071310721137(Top 73%)12846(Top 79%)12846(Top 688%)
10K6.21 mi3.10 mi21795-3813137-3013137-3021764(Top 75%)13147(Top 80%)13147(Top 704%)
15K9.32 mi3.11 mi21563+23213023+11413023+11421137(Top 73%)12846(Top 79%)12846(Top 688%)
20K12.43 mi3.11 mi21989-42613243-22013243-22023086(Top 80%)13775(Top 84%)13775(Top 737%)
HALF13.11 mi0.68 mi22050-6113274-3113274-3123201(Top 80%)13851(Top 85%)13851(Top 741%)
25K15.53 mi2.42 mi22667-61713579-30513579-30524512(Top 84%)14435(Top 88%)14435(Top 773%)
30K18.64 mi3.11 mi23349-68213858-27913858-27925330(Top 87%)14692(Top 90%)14692(Top 787%)
20M20.00 mi1.36 mi23889-54014143-28514143-28527504(Top 95%)15636(Top 96%)15636(Top 837%)
21M21.00 mi1.00 mi24531-64214440-29714440-29728680(Top 99%)16159(Top 99%)16159(Top 865%)
35K21.75 mi0.75 mi24620-8914464-2414464-2426351(Top 91%)15031(Top 92%)15031(Top 805%)
23M23.00 mi1.25 mi24628-814451+1314451+1324982(Top 86%)14329(Top 88%)14329(Top 767%)
24M24.00 mi1.00 mi24634-614442+914442+924424(Top 84%)14032(Top 86%)14032(Top 751%)
40K24.85 mi0.85 mi24681-4714443-114443-125446(Top 88%)14480(Top 89%)14480(Top 775%)
25.2M25.20 mi0.35 mi24709-2814452-914452-925665(Top 88%)14618(Top 89%)14618(Top 783%)
FINISH26.22 mi1.02 mi24642+6714402+5014402+5022780(Top 78%)13212(Top 81%)13212(Top 707%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
Γ—21
+97ft-345ft

Overall

21137

Males

12846

M50-54

12846

5K→10K

3.1 - 6.2 mi

Top 75%
Γ—5
+79ft-138ft

Overall

21764

Males

13147

M50-54

13147

10K→15K

6.2 - 9.3 mi

Top 73%
Γ—3
+67ft-78ft

Overall

21137

Males

12846

M50-54

12846

15K→20K

9.3 - 12.4 mi

Top 80%
Γ—5
+106ft-86ft

Overall

23086

Males

13775

M50-54

13775

20K→HALF

12.4 - 13.1 mi

Top 80%
Γ—2
+19ft-37ft

Overall

23201

Males

13851

M50-54

13851

HALF→25K

13.1 - 15.5 mi

Top 84%
Γ—4
+66ft-88ft

Overall

24512

Males

14435

M50-54

14435

25K→30K

15.5 - 18.6 mi

Top 87%
Γ—9
+181ft-148ft

Overall

25330

Males

14692

M50-54

14692

30K→20M

18.6 - 20.0 mi

Top 95%
Γ—5
+64ft-50ft

Overall

27504

Males

15636

M50-54

15636

20M→21M

20.0 - 21.0 mi

Top 99%
Γ—8
+106ft-24ft

Overall

28680

Males

16159

M50-54

16159

21M→35K

21.0 - 21.8 mi

Top 91%
Γ—7
+17ft-86ft

Overall

26351

Males

15031

M50-54

15031

35K→23M

21.8 - 23.0 mi

Top 86%
Γ—5
+23ft-63ft

Overall

24982

Males

14329

M50-54

14329

23M→24M

23.0 - 24.0 mi

Top 84%
Γ—6
+12ft-82ft

Overall

24424

Males

14032

M50-54

14032

24M→40K

24.0 - 24.9 mi

Top 88%
Γ—1
+6ft-20ft

Overall

25446

Males

14480

M50-54

14480

40K→25.2M

24.9 - 25.2 mi

Top 88%
Γ—1
+13ft-16ft

Overall

25665

Males

14618

M50-54

14618

25.2M→FINISH

25.2 - 26.2 mi

Top 78%
Γ—2
+22ft-21ft

Overall

22780

Males

13212

M50-54

13212

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
891*
Passed By
1695
Net Change
-2885
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#21757
5K β†’ 10K200200-38#21757#21795
10K β†’ 15K302*70+232#21795#21563
15K β†’ 20K64200-426#21563#21989
20K β†’ HALF1778-61#21989#22050
HALF β†’ 25K27200-617#22050#22667
25K β†’ 30K34200-682#22667#23349
30K β†’ 20M10200-540#23349#23889
20M β†’ 21M1200-642#23889#24531
21M β†’ 35K20109-89#24531#24620
35K β†’ 23M5260-8#24620#24628
23M β†’ 24M3844-6#24628#24634
24M β†’ 40K3683-47#24634#24681
40K β†’ 25.2M1341-28#24681#24709
25.2M β†’ FINISH7710+67#24709#24642
TOTALS891*1695-2885

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback