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BOSTON MARATHON 2024

James Chestnut

Bib: 29561•M

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:56
Rank: #22090
Start → 5K
9:38/mi
29:56 split
10K· 6.21 mi
58:19
Rank: #21218 (+872)
5K → 10K
9:08/mi
28:23 split
15K· 9.32 mi
1:25:25
Rank: #20194 (+1024)
10K → 15K
8:43/mi
27:06 split
20K· 12.43 mi
1:52:29
Rank: #19189 (+1005)
15K → 20K
8:43/mi
27:04 split
Half· 13.11 mi
1:58:25
Rank: #19054 (+135)
20K → Half
8:42/mi
5:56 split
25K· 15.53 mi
2:19:24
Rank: #18183 (+871)
Half → 25K
8:39/mi
20:59 split
30K· 18.64 mi
2:46:12
Rank: #16962 (+1221)
25K → 30K
8:38/mi
26:48 split
20M
2:57:37
Rank: #16402 (+560)
30K → 20M
8:24/mi
11:25 split
21M
3:06:33
Rank: #15965 (+437)
20M → 21M
8:56/mi
8:56 split
35K· 21.75 mi
3:12:41
Rank: #15740 (+225)
21M → 35K
8:12/mi
6:08 split
23M
3:23:04
Rank: #15262 (+478)
35K → 23M
8:18/mi
10:23 split
24M
3:31:21
Rank: #14921 (+341)
23M → 24M
8:17/mi
8:17 split
40K· 24.85 mi
3:38:31
Rank: #14597 (+324)
24M → 40K
8:23/mi
7:10 split
25.2M
3:41:48
Rank: #14478 (+119)
40K → 25.2M
9:31/mi
3:17 split
Finish· 26.22 mi
3:49:57
Rank: #14257 (+221)
25.2M → Finish
8:00/mi
8:09 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:58:25
Pace9:02 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:51:32
Pace8:30 /mi
📊Negative Split: 5.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5429:569:3829:56
9:38
-
10K
6.21 mi12:23:1758:199:2328:23
9:08
-0:30
15K
9.32 mi12:50:231:25:259:1027:06
8:43
-0:25
20K
12.43 mi13:17:271:52:299:0327:04
8:43
0:00
Half
13.11 mi13:23:231:58:259:025:56
8:42
-0:01
25K
15.53 mi13:44:222:19:248:5820:59
8:39
-0:03
30K
18.64 mi14:11:102:46:128:5526:48
8:38
-0:01
20M
20.00 mi14:22:352:57:378:5311:25
8:24
-0:14
21M
21.00 mi14:31:313:06:338:538:56
8:56
+0:32
35K
21.75 mi14:37:393:12:418:526:08
8:12
-0:44
23M
23.00 mi14:48:023:23:048:5010:23
8:18
+0:06
24M
24.00 mi14:56:193:31:218:488:17
8:17
-0:01
40K
24.85 mi15:03:293:38:318:487:10
8:23
+0:06
25.2M
25.20 mi15:06:463:41:488:483:17
9:31
+1:08
Finish
26.22 mi15:14:553:49:578:478:09
8:00
-1:31

Checkpoints & Pacing

📈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

8:00 /mi

Average Pace

8:47 /mi

Slowest Pace

9:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:32

22% of race

Time at Steady Pace

1:47:53

47% of race

Time at Slower Pace

1:10:32

31% of race

Average Pace: 8:46 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:54:5429:569:3829:56
9:38
#22090
10K
6.21 mi12:23:1758:199:2328:23
9:08
#21218
15K
9.32 mi12:50:231:25:259:1027:06
8:43
#20194
20K
12.43 mi13:17:271:52:299:0327:04
8:43
#19189
Half
13.11 mi13:23:231:58:259:025:56
8:42
#19054
25K
15.53 mi13:44:222:19:248:5820:59
8:39
#18183
30K
18.64 mi14:11:102:46:128:5526:48
8:38
#16962
20M
20.00 mi14:22:352:57:378:5311:25
8:24
#16402
21M
21.00 mi14:31:313:06:338:538:56
8:56
#15965
35K
21.75 mi14:37:393:12:418:526:08
8:12
#15740
23M
23.00 mi14:48:023:23:048:5010:23
8:18
#15262
24M
24.00 mi14:56:193:31:218:488:17
8:17
#14921
40K
24.85 mi15:03:293:38:318:487:10
8:23
#14597
25.2M
25.20 mi15:06:463:41:488:483:17
9:31
#14478
Finish
26.22 mi15:14:553:49:578:478:09
8:00
#14257
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22090130861308617592(Top 69%)11067(Top 76%)11067(Top 228%)
10K6.21 mi3.10 mi21218+87212674+41212674+41220284(Top 79%)12264(Top 84%)12264(Top 253%)
15K9.32 mi3.11 mi20194+102412213+46112213+46117592(Top 69%)11067(Top 76%)11067(Top 228%)
20K12.43 mi3.11 mi19189+100511743+47011743+47015902(Top 62%)10338(Top 71%)10338(Top 213%)
Half13.11 mi0.68 mi19054+13511692+5111692+5116768(Top 66%)10632(Top 73%)10632(Top 219%)
25K15.53 mi2.42 mi18183+87111273+41911273+41913859(Top 54%)9296(Top 64%)9296(Top 192%)
30K18.64 mi3.11 mi16962+122110683+59010683+59011300(Top 44%)7933(Top 54%)7933(Top 164%)
20M20.00 mi1.36 mi16402+56010416+26710416+2678902(Top 35%)6473(Top 44%)6473(Top 133%)
21M21.00 mi1.00 mi15965+43710200+21610200+2168262(Top 32%)5934(Top 41%)5934(Top 122%)
35K21.75 mi0.75 mi15740+22510077+12310077+1238971(Top 35%)6255(Top 43%)6255(Top 129%)
23M23.00 mi1.25 mi15262+4789829+2489829+2487303(Top 29%)5243(Top 36%)5243(Top 108%)
24M24.00 mi1.00 mi14921+3419637+1929637+1928210(Top 32%)5613(Top 39%)5613(Top 116%)
40K24.85 mi0.85 mi14597+3249457+1809457+1807762(Top 30%)5262(Top 36%)5262(Top 109%)
25.2M25.20 mi0.35 mi14478+1199392+659392+658826(Top 35%)5753(Top 39%)5753(Top 119%)
Finish26.22 mi1.02 mi14257+2219266+1269266+1268509(Top 33%)5668(Top 39%)5668(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

17592

Males

11067

M18-39

11067

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

20284

Males

12264

M18-39

12264

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

17592

Males

11067

M18-39

11067

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

15902

Males

10338

M18-39

10338

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

16768

Males

10632

M18-39

10632

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

13859

Males

9296

M18-39

9296

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11300

Males

7933

M18-39

7933

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

8902

Males

6473

M18-39

6473

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8262

Males

5934

M18-39

5934

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

8971

Males

6255

M18-39

6255

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7303

Males

5243

M18-39

5243

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8210

Males

5613

M18-39

5613

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7762

Males

5262

M18-39

5262

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

8826

Males

5753

M18-39

5753

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8509

Males

5668

M18-39

5668

Passing Analysis

Category:
Athletes Passed
7869
Passed By
36
Net Change
+7833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22090
5K → 10K89220+872#22090#21218
10K → 15K10262+1024#21218#20194
15K → 20K10061+1005#20194#19189
20K → Half1372+135#19189#19054
Half → 25K8732+871#19054#18183
25K → 30K12210+1221#18183#16962
30K → 20M5600+560#16962#16402
20M → 21M4381+437#16402#15965
21M → 35K2250+225#15965#15740
35K → 23M4780+478#15740#15262
23M → 24M3443+341#15262#14921
24M → 40K3251+324#14921#14597
40K → 25.2M1201+119#14597#14478
25.2M → Finish2243+221#14478#14257
TOTALS786936+7833
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing