All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Brian Geiszler

Bib: 7523 •M •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 19%
Gender (Male)
#0 / 16340
Top 31%
Masters (Masters Men)
#0 / 10617
Top 16%
Age Group (M45-49)
#0 / 2413
Top 22%
Race Day Weather
51°/41°F
overcast clouds
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 — view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

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
21:27
3.11 mi
Rank: #7762
Start → 5K
21:27 | 6:55/mi
10K
42:23
6.21 mi
Rank: #7088 (+674)
5K → 10K
20:56 | 6:45/mi
15K
1:03:38
9.32 mi
Rank: #7100 (-12)
10K → 15K
21:15 | 6:51/mi
20K
1:24:54
12.43 mi
Rank: #6942 (+158)
15K → 20K
21:16 | 6:51/mi
HALF
1:29:27
13.11 mi
Rank: #6887 (+55)
20K → HALF
4:33 | 6:41/mi
25K
1:45:43
15.53 mi
Rank: #6527 (+360)
HALF → 25K
16:16 | 6:43/mi
30K
2:07:02
18.64 mi
Rank: #6169 (+358)
25K → 30K
21:19 | 6:52/mi
20M
2:16:22
20.00 mi
Rank: #6030 (+139)
30K → 20M
9:20 | 6:53/mi
21M
2:23:43
21.00 mi
Rank: #5972 (+58)
20M → 21M
7:21 | 7:21/mi
35K
2:28:45
21.75 mi
Rank: #5932 (+40)
21M → 35K
5:02 | 6:44/mi
23M
2:37:21
23.00 mi
Rank: #5806 (+126)
35K → 23M
8:36 | 6:53/mi
24M
2:44:04
24.00 mi
Rank: #5717 (+89)
23M → 24M
6:43 | 6:43/mi
40K
2:49:57
24.85 mi
Rank: #5639 (+78)
24M → 40K
5:53 | 6:53/mi
25.2M
2:52:31
25.20 mi
Rank: #5618 (+21)
40K → 25.2M
2:34 | 7:27/mi
FINISH
2:59:24
26.22 mi
Rank: #5634 (-16)
25.2M → FINISH
6:53 | 6:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:29:27
Pace6:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:57
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1221:276:5521:27
6:55
-
10K
6.21 mi10:50:0842:236:5020:56
6:45
-0:10
15K
9.32 mi11:11:231:03:386:5021:15
6:51
+0:06
20K
12.43 mi11:32:391:24:546:5021:16
6:51
0:00
HALF
13.11 mi11:37:121:29:276:504:33
6:41
-0:10
25K
15.53 mi11:53:281:45:436:4916:16
6:43
+0:02
30K
18.64 mi12:14:472:07:026:4921:19
6:52
+0:09
20M
20.00 mi12:24:072:16:226:509:20
6:53
+0:01
21M
21.00 mi12:31:282:23:436:517:21
7:21
+0:28
35K
21.75 mi12:36:302:28:456:515:02
6:44
-0:37
23M
23.00 mi12:45:062:37:216:518:36
6:53
+0:09
24M
24.00 mi12:51:492:44:046:516:43
6:43
-0:10
40K
24.85 mi12:57:422:49:576:515:53
6:53
+0:10
25.2M
25.20 mi13:00:162:52:316:512:34
7:27
+0:34
FINISH
26.22 mi13:07:092:59:246:516:53
6:46
-0:41

Checkpoint Splits Visualizations

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

📈Pace 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

6:41 /mi

Average Pace

6:51 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

2:56:50

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi10:29:1221:276:5521:27
6:55
#7762
10K
6.21 mi10:50:0842:236:5020:56
6:45
#7088
15K
9.32 mi11:11:231:03:386:5021:15
6:51
#7100
20K
12.43 mi11:32:391:24:546:5021:16
6:51
#6942
HALF
13.11 mi11:37:121:29:276:504:33
6:41
#6887
25K
15.53 mi11:53:281:45:436:4916:16
6:43
#6527
30K
18.64 mi12:14:472:07:026:4921:19
6:52
#6169
20M
20.00 mi12:24:072:16:226:509:20
6:53
#6030
21M
21.00 mi12:31:282:23:436:517:21
7:21
#5972
35K
21.75 mi12:36:302:28:456:515:02
6:44
#5932
23M
23.00 mi12:45:062:37:216:518:36
6:53
#5806
24M
24.00 mi12:51:492:44:046:516:43
6:43
#5717
40K
24.85 mi12:57:422:49:576:515:53
6:53
#5639
25.2M
25.20 mi13:00:162:52:316:512:34
7:27
#5618
FINISH
26.22 mi13:07:092:59:246:516:53
6:46
#5634
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7762673767377184(Top 25%)6305(Top 39%)6305(Top 261%)
10K6.21 mi3.10 mi7088+6746269+4686269+4686342(Top 22%)5716(Top 35%)5716(Top 237%)
15K9.32 mi3.11 mi7100-126265+46265+47184(Top 25%)6305(Top 39%)6305(Top 261%)
20K12.43 mi3.11 mi6942+1586142+1236142+1236593(Top 23%)5851(Top 36%)5851(Top 242%)
HALF13.11 mi0.68 mi6887+556107+356107+355912(Top 20%)5340(Top 33%)5340(Top 221%)
25K15.53 mi2.42 mi6527+3605838+2695838+2694970(Top 17%)4568(Top 28%)4568(Top 189%)
30K18.64 mi3.11 mi6169+3585536+3025536+3024865(Top 17%)4420(Top 27%)4420(Top 183%)
20M20.00 mi1.36 mi6030+1395423+1135423+1134651(Top 16%)4204(Top 26%)4204(Top 174%)
21M21.00 mi1.00 mi5972+585367+565367+565548(Top 19%)4808(Top 29%)4808(Top 199%)
35K21.75 mi0.75 mi5932+405332+355332+355165(Top 18%)4564(Top 28%)4564(Top 189%)
23M23.00 mi1.25 mi5806+1265223+1095223+1094574(Top 16%)4065(Top 25%)4065(Top 168%)
24M24.00 mi1.00 mi5717+895147+765147+764558(Top 16%)4000(Top 24%)4000(Top 166%)
40K24.85 mi0.85 mi5639+785079+685079+684723(Top 16%)4082(Top 25%)4082(Top 169%)
25.2M25.20 mi0.35 mi5618+215059+205059+204885(Top 17%)4146(Top 25%)4146(Top 172%)
FINISH26.22 mi1.02 mi5634-165063-45063-45805(Top 20%)4738(Top 29%)4738(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7184

Males

6305

M45-49

6305

5K→10K

3.1 - 6.2 mi

Top 22%
×5
+79ft-138ft

Overall

6342

Males

5716

M45-49

5716

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7184

Males

6305

M45-49

6305

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6593

Males

5851

M45-49

5851

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5912

Males

5340

M45-49

5340

HALF→25K

13.1 - 15.5 mi

Top 17%
×4
+66ft-88ft

Overall

4970

Males

4568

M45-49

4568

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

4865

Males

4420

M45-49

4420

30K→20M

18.6 - 20.0 mi

Top 16%
×5
+64ft-50ft

Overall

4651

Males

4204

M45-49

4204

20M→21M

20.0 - 21.0 mi

Top 19%
×8
+106ft-24ft

Overall

5548

Males

4808

M45-49

4808

21M→35K

21.0 - 21.8 mi

Top 18%
×7
+17ft-86ft

Overall

5165

Males

4564

M45-49

4564

35K→23M

21.8 - 23.0 mi

Top 16%
×5
+23ft-63ft

Overall

4574

Males

4065

M45-49

4065

23M→24M

23.0 - 24.0 mi

Top 16%
×6
+12ft-82ft

Overall

4558

Males

4000

M45-49

4000

24M→40K

24.0 - 24.9 mi

Top 16%
×1
+6ft-20ft

Overall

4723

Males

4082

M45-49

4082

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1
+13ft-16ft

Overall

4885

Males

4146

M45-49

4146

25.2M→FINISH

25.2 - 26.2 mi

Top 20%
×2
+22ft-21ft

Overall

5805

Males

4738

M45-49

4738

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2629*
Passed By
501
Net Change
+2128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7762
5K → 10K706*32+674#7762#7088
10K → 15K144156-12#7088#7100
15K → 20K235*77+158#7100#6942
20K → HALF649+55#6942#6887
HALF → 25K367*7+360#6887#6527
25K → 30K373*15+358#6527#6169
30K → 20M15314+139#6169#6030
20M → 21M9840+58#6030#5972
21M → 35K6020+40#5972#5932
35K → 23M14721+126#5932#5806
23M → 24M10415+89#5806#5717
24M → 40K9618+78#5717#5639
40K → 25.2M3413+21#5639#5618
25.2M → FINISH4864-16#5618#5634
TOTALS2629*501+2128

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

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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