Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Derek Krebsbach

Bib: 13049 β€’M β€’Age: N/A

CO

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 38%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 40%
Age Group (M45-49)
#0 / 2413
Race Day Weather
51Β°/41Β°F
overcast clouds
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  • Qualification readiness
  • Segment-by-segment breakdown
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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
22:21
3.11 mi
Rank: #10101
Start β†’ 5K
22:21 | 7:12/mi
10K
43:48
6.21 mi
Rank: #8959 (+1142)
5K β†’ 10K
21:27 | 6:55/mi
15K
1:05:08
9.32 mi
Rank: #8491 (+468)
10K β†’ 15K
21:20 | 6:52/mi
20K
1:27:06
12.43 mi
Rank: #8429 (+62)
15K β†’ 20K
21:58 | 7:05/mi
HALF
1:31:54
13.11 mi
Rank: #8450 (-21)
20K β†’ HALF
4:48 | 7:03/mi
25K
1:49:40
15.53 mi
Rank: #8598 (-148)
HALF β†’ 25K
17:46 | 7:20/mi
30K
2:13:36
18.64 mi
Rank: #8960 (-362)
25K β†’ 30K
23:56 | 7:43/mi
20M
2:24:25
20.00 mi
Rank: #9199 (-239)
30K β†’ 20M
10:49 | 7:58/mi
21M
2:32:51
21.00 mi
Rank: #9371 (-172)
20M β†’ 21M
8:26 | 8:26/mi
35K
2:38:58
21.75 mi
Rank: #9570 (-199)
21M β†’ 35K
6:07 | 8:11/mi
23M
2:49:32
23.00 mi
Rank: #9891 (-321)
35K β†’ 23M
10:34 | 8:27/mi
24M
2:57:59
24.00 mi
Rank: #10248 (-357)
23M β†’ 24M
8:27 | 8:27/mi
40K
3:05:21
24.85 mi
Rank: #10521 (-273)
24M β†’ 40K
7:22 | 8:37/mi
25.2M
3:08:35
25.20 mi
Rank: #10618 (-97)
40K β†’ 25.2M
3:14 | 9:23/mi
FINISH
3:17:09
26.22 mi
Rank: #10897 (-279)
25.2M β†’ FINISH
8:34 | 8:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:31:54
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:45:15
Pace8:02 /mi
πŸ“ŠPositive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1122:217:1222:21
7:12
-
10K
6.21 mi11:12:3843:487:0321:27
6:55
-0:17
15K
9.32 mi11:33:581:05:087:0021:20
6:52
-0:03
20K
12.43 mi11:55:561:27:067:0121:58
7:05
+0:13
HALF
13.11 mi12:00:441:31:547:014:48
7:03
-0:02
25K
15.53 mi12:18:301:49:407:0417:46
7:20
+0:17
30K
18.64 mi12:42:262:13:367:1123:56
7:43
+0:23
20M
20.00 mi12:53:152:24:257:1410:49
7:58
+0:15
21M
21.00 mi13:01:412:32:517:178:26
8:26
+0:28
35K
21.75 mi13:07:482:38:587:196:07
8:11
-0:15
23M
23.00 mi13:18:222:49:327:2310:34
8:27
+0:16
24M
24.00 mi13:26:492:57:597:258:27
8:27
0:00
40K
24.85 mi13:34:113:05:217:287:22
8:37
+0:10
25.2M
25.20 mi13:37:253:08:357:303:14
9:23
+0:46
FINISH
26.22 mi13:45:593:17:097:328:34
8:25
-0:58

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

6:52 /mi

Average Pace

7:31 /mi

Slowest Pace

9:23 /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

1:49:40

56% of race

Time at Steady Pace

40:52

21% of race

Time at Slower Pace

46:37

24% of race

Average Pace: 7:31 /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 mi10:51:1122:217:1222:21
7:12
#10101
10K
6.21 mi11:12:3843:487:0321:27
6:55
#8959
15K
9.32 mi11:33:581:05:087:0021:20
6:52
#8491
20K
12.43 mi11:55:561:27:067:0121:58
7:05
#8429
HALF
13.11 mi12:00:441:31:547:014:48
7:03
#8450
25K
15.53 mi12:18:301:49:407:0417:46
7:20
#8598
30K
18.64 mi12:42:262:13:367:1123:56
7:43
#8960
20M
20.00 mi12:53:152:24:257:1410:49
7:58
#9199
21M
21.00 mi13:01:412:32:517:178:26
8:26
#9371
35K
21.75 mi13:07:482:38:587:196:07
8:11
#9570
23M
23.00 mi13:18:222:49:327:2310:34
8:27
#9891
24M
24.00 mi13:26:492:57:597:258:27
8:27
#10248
40K
24.85 mi13:34:113:05:217:287:22
8:37
#10521
25.2M
25.20 mi13:37:253:08:357:303:14
9:23
#10618
FINISH
26.22 mi13:45:593:17:097:328:34
8:25
#10897
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 mi10101813781377514(Top 26%)6534(Top 40%)6534(Top 271%)
10K6.21 mi3.10 mi8959+11427493+6447493+6447953(Top 27%)6863(Top 42%)6863(Top 284%)
15K9.32 mi3.11 mi8491+4687196+2977196+2977514(Top 26%)6534(Top 40%)6534(Top 271%)
20K12.43 mi3.11 mi8429+627143+537143+538359(Top 29%)7055(Top 43%)7055(Top 292%)
HALF13.11 mi0.68 mi8450-217156-137156-138997(Top 31%)7476(Top 46%)7476(Top 310%)
25K15.53 mi2.42 mi8598-1487231-757231-759931(Top 34%)7811(Top 48%)7811(Top 324%)
30K18.64 mi3.11 mi8960-3627399-1687399-16811250(Top 39%)8313(Top 51%)8313(Top 345%)
20M20.00 mi1.36 mi9199-2397491-927491-9212529(Top 43%)8788(Top 54%)8788(Top 364%)
21M21.00 mi1.00 mi9371-1727567-767567-7612656(Top 44%)8737(Top 53%)8737(Top 362%)
35K21.75 mi0.75 mi9570-1997649-827649-8215581(Top 54%)9994(Top 61%)9994(Top 414%)
23M23.00 mi1.25 mi9891-3217783-1347783-13415313(Top 53%)9820(Top 60%)9820(Top 407%)
24M24.00 mi1.00 mi10248-3577920-1377920-13716551(Top 57%)10269(Top 63%)10269(Top 426%)
40K24.85 mi0.85 mi10521-2738041-1218041-12116344(Top 56%)10107(Top 62%)10107(Top 419%)
25.2M25.20 mi0.35 mi10618-978089-488089-4816631(Top 57%)10239(Top 63%)10239(Top 424%)
FINISH26.22 mi1.02 mi10897-2798198-1098198-10917607(Top 61%)10699(Top 65%)10699(Top 443%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
Γ—21
+97ft-345ft

Overall

7514

Males

6534

M45-49

6534

5K→10K

3.1 - 6.2 mi

Top 27%
Γ—5
+79ft-138ft

Overall

7953

Males

6863

M45-49

6863

10K→15K

6.2 - 9.3 mi

Top 26%
Γ—3
+67ft-78ft

Overall

7514

Males

6534

M45-49

6534

15K→20K

9.3 - 12.4 mi

Top 29%
Γ—5
+106ft-86ft

Overall

8359

Males

7055

M45-49

7055

20K→HALF

12.4 - 13.1 mi

Top 31%
Γ—2
+19ft-37ft

Overall

8997

Males

7476

M45-49

7476

HALF→25K

13.1 - 15.5 mi

Top 34%
Γ—4
+66ft-88ft

Overall

9931

Males

7811

M45-49

7811

25K→30K

15.5 - 18.6 mi

Top 39%
Γ—9
+181ft-148ft

Overall

11250

Males

8313

M45-49

8313

30K→20M

18.6 - 20.0 mi

Top 43%
Γ—5
+64ft-50ft

Overall

12529

Males

8788

M45-49

8788

20M→21M

20.0 - 21.0 mi

Top 44%
Γ—8
+106ft-24ft

Overall

12656

Males

8737

M45-49

8737

21M→35K

21.0 - 21.8 mi

Top 54%
Γ—7
+17ft-86ft

Overall

15581

Males

9994

M45-49

9994

35K→23M

21.8 - 23.0 mi

Top 53%
Γ—5
+23ft-63ft

Overall

15313

Males

9820

M45-49

9820

23M→24M

23.0 - 24.0 mi

Top 57%
Γ—6
+12ft-82ft

Overall

16551

Males

10269

M45-49

10269

24M→40K

24.0 - 24.9 mi

Top 56%
Γ—1
+6ft-20ft

Overall

16344

Males

10107

M45-49

10107

40K→25.2M

24.9 - 25.2 mi

Top 57%
Γ—1
+13ft-16ft

Overall

16631

Males

10239

M45-49

10239

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
Γ—2
+22ft-21ft

Overall

17607

Males

10699

M45-49

10699

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2185*
Passed By
2060
Net Change
-796
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#10101
5K β†’ 10K1155*13+1142#10101#8959
10K β†’ 15K478*10+468#8959#8491
15K β†’ 20K15694+62#8491#8429
20K β†’ HALF1839-21#8429#8450
HALF β†’ 25K75200-148#8450#8598
25K β†’ 30K77200-362#8598#8960
30K β†’ 20M49200-239#8960#9199
20M β†’ 21M31200-172#9199#9371
21M β†’ 35K28200-199#9371#9570
35K β†’ 23M47200-321#9570#9891
23M β†’ 24M27200-357#9891#10248
24M β†’ 40K18200-273#10248#10521
40K β†’ 25.2M7104-97#10521#10618
25.2M β†’ FINISH19200-279#10618#10897
TOTALS2185*2060-796

* 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

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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