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BOSTON MARATHON 2024

Leah Chohon

Bib: 14458•F

NE

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 35%
Gender (Female)
#0 / 10924
Top 20%
Division (F18-39)
#0 / 4660
Top 34%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #11800
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
47:26
Rank: #11522 (+278)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:11:05
Rank: #11179 (+343)
10K → 15K
23:39 | 7:37/mi
20K· 12.43 mi
1:34:52
Rank: #10647 (+532)
15K → 20K
23:47 | 7:39/mi
Half· 13.11 mi
1:40:01
Rank: #10572 (+75)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:44
Rank: #10119 (+453)
Half → 25K
18:43 | 7:43/mi
30K· 18.64 mi
2:23:52
Rank: #9673 (+446)
25K → 30K
25:08 | 8:05/mi
20M
2:35:08
Rank: #9475 (+198)
30K → 20M
11:16 | 8:17/mi
21M
2:44:07
Rank: #9327 (+148)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:50:15
Rank: #9281 (+46)
21M → 35K
6:08 | 8:12/mi
23M
3:01:03
Rank: #9198 (+83)
35K → 23M
10:48 | 8:38/mi
24M
3:09:23
Rank: #9146 (+52)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:16:26
Rank: #9017 (+129)
24M → 40K
7:03 | 8:15/mi
25.2M
3:19:37
Rank: #8966 (+51)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:27:41
Rank: #8907 (+59)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:01
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:47:40
Pace8:13 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5123:437:3823:43
7:38
-
10K
6.21 mi11:18:3447:267:3823:43
7:38
0:00
15K
9.32 mi11:42:131:11:057:3823:39
7:37
-0:01
20K
12.43 mi12:06:001:34:527:3823:47
7:39
+0:02
Half
13.11 mi12:11:091:40:017:385:09
7:33
-0:06
25K
15.53 mi12:29:521:58:447:3918:43
7:43
+0:10
30K
18.64 mi12:55:002:23:527:4325:08
8:05
+0:22
20M
20.00 mi13:06:162:35:087:4511:16
8:17
+0:12
21M
21.00 mi13:15:152:44:077:498:59
8:59
+0:42
35K
21.75 mi13:21:232:50:157:506:08
8:12
-0:47
23M
23.00 mi13:32:113:01:037:5210:48
8:38
+0:26
24M
24.00 mi13:40:313:09:237:538:20
8:20
-0:18
40K
24.85 mi13:47:343:16:267:547:03
8:15
-0:05
25.2M
25.20 mi13:50:453:19:377:553:11
9:14
+0:59
Finish
26.22 mi13:58:493:27:417:568:04
7:55
-1:19

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

7:33 /mi

Average Pace

7:56 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:44

57% of race

Time at Steady Pace

1:05:59

32% of race

Time at Slower Pace

22:58

11% of race

Average Pace: 7:55 /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 mi10:54:5123:437:3823:43
7:38
#11800
10K
6.21 mi11:18:3447:267:3823:43
7:38
#11522
15K
9.32 mi11:42:131:11:057:3823:39
7:37
#11179
20K
12.43 mi12:06:001:34:527:3823:47
7:39
#10647
Half
13.11 mi12:11:091:40:017:385:09
7:33
#10572
25K
15.53 mi12:29:521:58:447:3918:43
7:43
#10119
30K
18.64 mi12:55:002:23:527:4325:08
8:05
#9673
20M
20.00 mi13:06:162:35:087:4511:16
8:17
#9475
21M
21.00 mi13:15:152:44:077:498:59
8:59
#9327
35K
21.75 mi13:21:232:50:157:506:08
8:12
#9281
23M
23.00 mi13:32:113:01:037:5210:48
8:38
#9198
24M
24.00 mi13:40:313:09:237:538:20
8:20
#9146
40K
24.85 mi13:47:343:16:267:547:03
8:15
#9017
25.2M
25.20 mi13:50:453:19:377:553:11
9:14
#8966
Finish
26.22 mi13:58:493:27:417:568:04
7:55
#8907
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118003012301210529(Top 41%)2443(Top 22%)2443(Top 52%)
10K6.21 mi3.10 mi11522+2782892+1202892+12011343(Top 44%)2833(Top 26%)2833(Top 61%)
15K9.32 mi3.11 mi11179+3432733+1592733+15910529(Top 41%)2443(Top 22%)2443(Top 52%)
20K12.43 mi3.11 mi10647+5322473+2602473+2609449(Top 37%)2050(Top 19%)2050(Top 44%)
Half13.11 mi0.68 mi10572+752444+292444+299542(Top 37%)2076(Top 19%)2076(Top 45%)
25K15.53 mi2.42 mi10119+4532274+1702274+1708441(Top 33%)1747(Top 16%)1747(Top 37%)
30K18.64 mi3.11 mi9673+4462145+1292145+1298406(Top 33%)1940(Top 18%)1940(Top 42%)
20M20.00 mi1.36 mi9475+1982105+402105+408347(Top 33%)2156(Top 20%)2156(Top 46%)
21M21.00 mi1.00 mi9327+1482102+32102+38533(Top 33%)2452(Top 22%)2452(Top 53%)
35K21.75 mi0.75 mi9281+462112-102112-108986(Top 35%)2705(Top 25%)2705(Top 58%)
23M23.00 mi1.25 mi9198+832131-192131-199142(Top 36%)2940(Top 27%)2940(Top 63%)
24M24.00 mi1.00 mi9146+522151-202151-208481(Top 33%)2697(Top 25%)2697(Top 58%)
40K24.85 mi0.85 mi9017+1292135+162135+167062(Top 28%)2154(Top 20%)2154(Top 46%)
25.2M25.20 mi0.35 mi8966+512134+12134+17647(Top 30%)2486(Top 23%)2486(Top 53%)
Finish26.22 mi1.02 mi8907+592148-142148-148055(Top 32%)2607(Top 24%)2607(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10529

Females

2443

F18-39

2443

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11343

Females

2833

F18-39

2833

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10529

Females

2443

F18-39

2443

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9449

Females

2050

F18-39

2050

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9542

Females

2076

F18-39

2076

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8441

Females

1747

F18-39

1747

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8406

Females

1940

F18-39

1940

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8347

Females

2156

F18-39

2156

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8533

Females

2452

F18-39

2452

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

8986

Females

2705

F18-39

2705

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9142

Females

2940

F18-39

2940

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8481

Females

2697

F18-39

2697

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7062

Females

2154

F18-39

2154

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7647

Females

2486

F18-39

2486

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8055

Females

2607

F18-39

2607

Passing Analysis

Category:
Athletes Passed
3647
Passed By
754
Net Change
+2893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11800
5K → 10K429151+278#11800#11522
10K → 15K41168+343#11522#11179
15K → 20K55725+532#11179#10647
20K → Half849+75#10647#10572
Half → 25K47623+453#10572#10119
25K → 30K51771+446#10119#9673
30K → 20M24547+198#9673#9475
20M → 21M20456+148#9475#9327
21M → 35K9145+46#9327#9281
35K → 23M17794+83#9281#9198
23M → 24M11462+52#9198#9146
24M → 40K15930+129#9146#9017
40K → 25.2M6716+51#9017#8966
25.2M → Finish11657+59#8966#8907
TOTALS3647754+2893
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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