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BOSTON MARATHON 2024

Kelsi Chappell

Bib: 10067•F

RI

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 8%
Gender (Female)
#0 / 10924
Top 0.9%
Division (F18-39)
#0 / 4660
Top 2%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #4317
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
41:12
Rank: #4004 (+313)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:01:24
Rank: #3485 (+519)
10K → 15K
20:12 | 6:30/mi
20K· 12.43 mi
1:21:39
Rank: #3093 (+392)
15K → 20K
20:15 | 6:31/mi
Half· 13.11 mi
1:26:01
Rank: #3020 (+73)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:41:46
Rank: #2711 (+309)
Half → 25K
15:45 | 6:30/mi
30K· 18.64 mi
2:02:54
Rank: #2467 (+244)
25K → 30K
21:08 | 6:48/mi
20M
2:12:18
Rank: #2384 (+83)
30K → 20M
9:24 | 6:55/mi
21M
2:19:49
Rank: #2346 (+38)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:24:43
Rank: #2276 (+70)
21M → 35K
4:54 | 6:33/mi
23M
2:33:26
Rank: #2176 (+100)
35K → 23M
8:43 | 6:58/mi
24M
2:40:13
Rank: #2102 (+74)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:46:20
Rank: #2082 (+20)
24M → 40K
6:07 | 7:09/mi
25.2M
2:49:06
Rank: #2080 (+2)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:55:52
Rank: #2029 (+51)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:01
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:29:51
Pace6:51 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0420:376:3820:37
6:38
-
10K
6.21 mi11:07:3941:126:3820:35
6:38
0:00
15K
9.32 mi11:27:511:01:246:3520:12
6:30
-0:08
20K
12.43 mi11:48:061:21:396:3420:15
6:31
+0:01
Half
13.11 mi11:52:281:26:016:344:22
6:24
-0:07
25K
15.53 mi12:08:131:41:466:3315:45
6:30
+0:06
30K
18.64 mi12:29:212:02:546:3621:08
6:48
+0:18
20M
20.00 mi12:38:452:12:186:379:24
6:55
+0:07
21M
21.00 mi12:46:162:19:496:397:31
7:31
+0:36
35K
21.75 mi12:51:102:24:436:394:54
6:33
-0:58
23M
23.00 mi12:59:532:33:266:408:43
6:58
+0:25
24M
24.00 mi13:06:402:40:136:416:47
6:47
-0:11
40K
24.85 mi13:12:472:46:206:426:07
7:09
+0:22
25.2M
25.20 mi13:15:332:49:066:432:46
8:01
+0:52
Finish
26.22 mi13:22:192:55:526:436:46
6:38
-1:23

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

6:24 /mi

Average Pace

6:43 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:22

2% of race

Time at Steady Pace

2:16:59

78% of race

Time at Slower Pace

34:31

20% of race

Average Pace: 6:42 /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 mi10:47:0420:376:3820:37
6:38
#4317
10K
6.21 mi11:07:3941:126:3820:35
6:38
#4004
15K
9.32 mi11:27:511:01:246:3520:12
6:30
#3485
20K
12.43 mi11:48:061:21:396:3420:15
6:31
#3093
Half
13.11 mi11:52:281:26:016:344:22
6:24
#3020
25K
15.53 mi12:08:131:41:466:3315:45
6:30
#2711
30K
18.64 mi12:29:212:02:546:3621:08
6:48
#2467
20M
20.00 mi12:38:452:12:186:379:24
6:55
#2384
21M
21.00 mi12:46:162:19:496:397:31
7:31
#2346
35K
21.75 mi12:51:102:24:436:394:54
6:33
#2276
23M
23.00 mi12:59:532:33:266:408:43
6:58
#2176
24M
24.00 mi13:06:402:40:136:416:47
6:47
#2102
40K
24.85 mi13:12:472:46:206:426:07
7:09
#2082
25.2M
25.20 mi13:15:332:49:066:432:46
8:01
#2080
Finish
26.22 mi13:22:192:55:526:436:46
6:38
#2029
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi43172432432737(Top 11%)110(Top 1%)110(Top 2%)
10K6.21 mi3.10 mi4004+313216+27216+273807(Top 15%)208(Top 2%)208(Top 4%)
15K9.32 mi3.11 mi3485+519165+51165+512737(Top 11%)110(Top 1%)110(Top 2%)
20K12.43 mi3.11 mi3093+392137+28137+282264(Top 9%)86(Top 0.8%)86(Top 2%)
Half13.11 mi0.68 mi3020+73129+8129+82167(Top 8%)77(Top 0.7%)77(Top 2%)
25K15.53 mi2.42 mi2711+309119+10119+101784(Top 7%)64(Top 0.6%)64(Top 1%)
30K18.64 mi3.11 mi2467+244107+12107+121951(Top 8%)100(Top 0.9%)100(Top 2%)
20M20.00 mi1.36 mi2384+83102+5102+52050(Top 8%)120(Top 1%)120(Top 3%)
21M21.00 mi1.00 mi2346+381021022566(Top 10%)219(Top 2%)219(Top 5%)
35K21.75 mi0.75 mi2276+7099+399+31425(Top 6%)82(Top 0.8%)82(Top 2%)
23M23.00 mi1.25 mi2176+10094+594+51833(Top 7%)140(Top 1%)140(Top 3%)
24M24.00 mi1.00 mi2102+7490+490+41656(Top 6%)131(Top 1%)131(Top 3%)
40K24.85 mi0.85 mi2082+2093-393-32354(Top 9%)271(Top 2%)271(Top 6%)
25.2M25.20 mi0.35 mi2080+295-295-22833(Top 11%)411(Top 4%)411(Top 9%)
Finish26.22 mi1.02 mi2029+5196-196-11825(Top 7%)206(Top 2%)206(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2737

Females

110

F18-39

110

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3807

Females

208

F18-39

208

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2737

Females

110

F18-39

110

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2264

Females

86

F18-39

86

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2167

Females

77

F18-39

77

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1784

Females

64

F18-39

64

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

1951

Females

100

F18-39

100

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2050

Females

120

F18-39

120

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2566

Females

219

F18-39

219

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1425

Females

82

F18-39

82

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1833

Females

140

F18-39

140

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1656

Females

131

F18-39

131

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2354

Females

271

F18-39

271

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2833

Females

411

F18-39

411

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1825

Females

206

F18-39

206

Passing Analysis

Category:
Athletes Passed
2512
Passed By
224
Net Change
+2288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4317
5K → 10K36956+313#4317#4004
10K → 15K5267+519#4004#3485
15K → 20K3931+392#3485#3093
20K → Half730+73#3093#3020
Half → 25K3112+309#3020#2711
25K → 30K26824+244#2711#2467
30K → 20M10522+83#2467#2384
20M → 21M6931+38#2384#2346
21M → 35K755+70#2346#2276
35K → 23M11515+100#2276#2176
23M → 24M839+74#2176#2102
24M → 40K4626+20#2102#2082
40K → 25.2M1816+2#2082#2080
25.2M → Finish6110+51#2080#2029
TOTALS2512224+2288
📊

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