Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

James Hartshorn

Bib: 28121 β€’M β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
30:32
3.11 mi
Rank: #25462
Start β†’ 5K
30:32 | 9:50/mi
10K
1:00:04
6.21 mi
Rank: #24996 (+466)
5K β†’ 10K
29:32 | 9:31/mi
15K
1:29:11
9.32 mi
Rank: #24677 (+319)
10K β†’ 15K
29:07 | 9:23/mi
20K
1:58:09
12.43 mi
Rank: #24326 (+351)
15K β†’ 20K
28:58 | 9:20/mi
HALF
2:04:31
13.11 mi
Rank: #24317 (+9)
20K β†’ HALF
6:22 | 9:21/mi
25K
2:27:15
15.53 mi
Rank: #24029 (+288)
HALF β†’ 25K
22:44 | 9:23/mi
30K
2:56:51
18.64 mi
Rank: #23596 (+433)
25K β†’ 30K
29:36 | 9:32/mi
20M
3:10:14
20.00 mi
Rank: #23473 (+123)
30K β†’ 20M
13:23 | 9:52/mi
21M
3:20:09
21.00 mi
Rank: #23273 (+200)
20M β†’ 21M
9:55 | 9:55/mi
35K
3:26:58
21.75 mi
Rank: #23168 (+105)
21M β†’ 35K
6:49 | 9:07/mi
23M
3:38:44
23.00 mi
Rank: #22994 (+174)
35K β†’ 23M
11:46 | 9:25/mi
24M
3:47:17
24.00 mi
Rank: #22797 (+197)
23M β†’ 24M
8:33 | 8:33/mi
40K
3:55:21
24.85 mi
Rank: #22682 (+115)
24M β†’ 40K
8:04 | 9:27/mi
25.2M
3:59:07
25.20 mi
Rank: #22676 (+6)
40K β†’ 25.2M
3:46 | 10:56/mi
FINISH
4:08:36
26.22 mi
Rank: #22641 (+35)
25.2M β†’ FINISH
9:29 | 9:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time2:04:31
Pace9:30 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time2:04:05
Pace9:28 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3730:329:5030:32
9:50
-
10K
6.21 mi12:22:091:00:049:4129:32
9:31
-0:19
15K
9.32 mi12:51:161:29:119:3529:07
9:23
-0:08
20K
12.43 mi13:20:141:58:099:3128:58
9:20
-0:03
HALF
13.11 mi13:26:362:04:319:306:22
9:21
+0:01
25K
15.53 mi13:49:202:27:159:2922:44
9:23
+0:02
30K
18.64 mi14:18:562:56:519:3029:36
9:32
+0:09
20M
20.00 mi14:32:193:10:149:3113:23
9:52
+0:20
21M
21.00 mi14:42:143:20:099:329:55
9:55
+0:03
35K
21.75 mi14:49:033:26:589:316:49
9:07
-0:48
23M
23.00 mi15:00:493:38:449:3111:46
9:25
+0:18
24M
24.00 mi15:09:223:47:179:298:33
8:33
-0:52
40K
24.85 mi15:17:263:55:219:298:04
9:27
+0:54
25.2M
25.20 mi15:21:123:59:079:303:46
10:56
+1:29
FINISH
26.22 mi15:30:414:08:369:309:29
9:19
-1:37

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

8:33 /mi

Average Pace

9:29 /mi

Slowest Pace

10:56 /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

15:22

6% of race

Time at Steady Pace

2:55:38

71% of race

Time at Slower Pace

57:36

23% of race

Average Pace: 9:29 /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 mi11:52:3730:329:5030:32
9:50
#25462
10K
6.21 mi12:22:091:00:049:4129:32
9:31
#24996
15K
9.32 mi12:51:161:29:119:3529:07
9:23
#24677
20K
12.43 mi13:20:141:58:099:3128:58
9:20
#24326
HALF
13.11 mi13:26:362:04:319:306:22
9:21
#24317
25K
15.53 mi13:49:202:27:159:2922:44
9:23
#24029
30K
18.64 mi14:18:562:56:519:3029:36
9:32
#23596
20M
20.00 mi14:32:193:10:149:3113:23
9:52
#23473
21M
21.00 mi14:42:143:20:099:329:55
9:55
#23273
35K
21.75 mi14:49:033:26:589:316:49
9:07
#23168
23M
23.00 mi15:00:493:38:449:3111:46
9:25
#22994
24M
24.00 mi15:09:223:47:179:298:33
8:33
#22797
40K
24.85 mi15:17:263:55:219:298:04
9:27
#22682
25.2M
25.20 mi15:21:123:59:079:303:46
10:56
#22676
FINISH
26.22 mi15:30:414:08:369:309:29
9:19
#22641
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25462149311493124048(Top 83%)14279(Top 87%)14279(Top 250%)
10K6.21 mi3.10 mi24996+46614725+20614725+20624593(Top 85%)14533(Top 89%)14533(Top 254%)
15K9.32 mi3.11 mi24677+31914576+14914576+14924048(Top 83%)14279(Top 87%)14279(Top 250%)
20K12.43 mi3.11 mi24326+35114410+16614410+16623195(Top 80%)13819(Top 85%)13819(Top 241%)
HALF13.11 mi0.68 mi24317+914400+1014400+1023888(Top 82%)14157(Top 87%)14157(Top 247%)
25K15.53 mi2.42 mi24029+28814249+15114249+15122631(Top 78%)13539(Top 83%)13539(Top 237%)
30K18.64 mi3.11 mi23596+43313995+25413995+25421733(Top 75%)13012(Top 80%)13012(Top 227%)
20M20.00 mi1.36 mi23473+12313915+8013915+8022176(Top 76%)13156(Top 81%)13156(Top 230%)
21M21.00 mi1.00 mi23273+20013794+12113794+12120148(Top 69%)12146(Top 74%)12146(Top 212%)
35K21.75 mi0.75 mi23168+10513737+5713737+5720454(Top 70%)12218(Top 75%)12218(Top 213%)
23M23.00 mi1.25 mi22994+17413640+9713640+9720253(Top 70%)12092(Top 74%)12092(Top 211%)
24M24.00 mi1.00 mi22797+19713530+11013530+11017171(Top 59%)10552(Top 65%)10552(Top 184%)
40K24.85 mi0.85 mi22682+11513460+7013460+7020137(Top 69%)11927(Top 73%)11927(Top 208%)
25.2M25.20 mi0.35 mi22676+613449+1113449+1122168(Top 76%)12917(Top 79%)12917(Top 226%)
FINISH26.22 mi1.02 mi22641+3513422+2713422+2721671(Top 75%)12697(Top 78%)12697(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
Γ—21
+97ft-345ft

Overall

24048

Males

14279

M18-39

14279

5K→10K

3.1 - 6.2 mi

Top 85%
Γ—5
+79ft-138ft

Overall

24593

Males

14533

M18-39

14533

10K→15K

6.2 - 9.3 mi

Top 83%
Γ—3
+67ft-78ft

Overall

24048

Males

14279

M18-39

14279

15K→20K

9.3 - 12.4 mi

Top 80%
Γ—5
+106ft-86ft

Overall

23195

Males

13819

M18-39

13819

20K→HALF

12.4 - 13.1 mi

Top 82%
Γ—2
+19ft-37ft

Overall

23888

Males

14157

M18-39

14157

HALF→25K

13.1 - 15.5 mi

Top 78%
Γ—4
+66ft-88ft

Overall

22631

Males

13539

M18-39

13539

25K→30K

15.5 - 18.6 mi

Top 75%
Γ—9
+181ft-148ft

Overall

21733

Males

13012

M18-39

13012

30K→20M

18.6 - 20.0 mi

Top 76%
Γ—5
+64ft-50ft

Overall

22176

Males

13156

M18-39

13156

20M→21M

20.0 - 21.0 mi

Top 69%
Γ—8
+106ft-24ft

Overall

20148

Males

12146

M18-39

12146

21M→35K

21.0 - 21.8 mi

Top 70%
Γ—7
+17ft-86ft

Overall

20454

Males

12218

M18-39

12218

35K→23M

21.8 - 23.0 mi

Top 70%
Γ—5
+23ft-63ft

Overall

20253

Males

12092

M18-39

12092

23M→24M

23.0 - 24.0 mi

Top 59%
Γ—6
+12ft-82ft

Overall

17171

Males

10552

M18-39

10552

24M→40K

24.0 - 24.9 mi

Top 69%
Γ—1
+6ft-20ft

Overall

20137

Males

11927

M18-39

11927

40K→25.2M

24.9 - 25.2 mi

Top 76%
Γ—1
+13ft-16ft

Overall

22168

Males

12917

M18-39

12917

25.2M→FINISH

25.2 - 26.2 mi

Top 75%
Γ—2
+22ft-21ft

Overall

21671

Males

12697

M18-39

12697

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3012*
Passed By
191
Net Change
+2821
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25462
5K β†’ 10K518*52+466#25462#24996
10K β†’ 15K343*24+319#24996#24677
15K β†’ 20K363*12+351#24677#24326
20K β†’ HALF2819+9#24326#24317
HALF β†’ 25K302*14+288#24317#24029
25K β†’ 30K437*4+433#24029#23596
30K β†’ 20M13512+123#23596#23473
20M β†’ 21M207*7+200#23473#23273
21M β†’ 35K1072+105#23273#23168
35K β†’ 23M1773+174#23168#22994
23M β†’ 24M1981+197#22994#22797
24M β†’ 40K1205+115#22797#22682
40K β†’ 25.2M2317+6#22682#22676
25.2M β†’ FINISH5419+35#22676#22641
TOTALS3012*191+2821

* 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

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