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BOSTON MARATHON 2024

Gillian Croucher

Bib: 12503•F

AB

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 22%
Division (F18-39)
#0 / 4660
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:28
Rank: #11215
Start → 5K
23:28 | 7:33/mi
10K· 6.21 mi
47:32
Rank: #11650 (-435)
5K → 10K
24:04 | 7:45/mi
15K· 9.32 mi
1:11:27
Rank: #11458 (+192)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:35:48
Rank: #11222 (+236)
15K → 20K
24:21 | 7:50/mi
Half· 13.11 mi
1:41:01
Rank: #11160 (+62)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
2:00:21
Rank: #10915 (+245)
Half → 25K
19:20 | 7:58/mi
30K· 18.64 mi
2:26:50
Rank: #10788 (+127)
25K → 30K
26:29 | 8:31/mi
20M
2:38:29
Rank: #10665 (+123)
30K → 20M
11:39 | 8:34/mi
21M
2:47:48
Rank: #10557 (+108)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
2:53:49
Rank: #10421 (+136)
21M → 35K
6:01 | 8:03/mi
23M
3:04:20
Rank: #10214 (+207)
35K → 23M
10:31 | 8:24/mi
24M
3:12:22
Rank: #10019 (+195)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:19:09
Rank: #9801 (+218)
24M → 40K
6:47 | 7:56/mi
25.2M
3:22:10
Rank: #9704 (+97)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:29:52
Rank: #9532 (+172)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:01
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:48:51
Pace8:18 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5723:287:3323:28
7:33
-
10K
6.21 mi11:17:0147:327:3924:04
7:45
+0:12
15K
9.32 mi11:40:561:11:277:4023:55
7:42
-0:03
20K
12.43 mi12:05:171:35:487:4324:21
7:50
+0:08
Half
13.11 mi12:10:301:41:017:425:13
7:39
-0:11
25K
15.53 mi12:29:502:00:217:4519:20
7:58
+0:19
30K
18.64 mi12:56:192:26:507:5326:29
8:31
+0:33
20M
20.00 mi13:07:582:38:297:5511:39
8:34
+0:03
21M
21.00 mi13:17:172:47:487:599:19
9:19
+0:45
35K
21.75 mi13:23:182:53:498:006:01
8:03
-1:16
23M
23.00 mi13:33:493:04:208:0110:31
8:24
+0:21
24M
24.00 mi13:41:513:12:228:018:02
8:02
-0:22
40K
24.85 mi13:48:383:19:098:016:47
7:56
-0:06
25.2M
25.20 mi13:51:393:22:108:013:01
8:45
+0:49
Finish
26.22 mi13:59:213:29:528:017:42
7:33
-1:12

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

8:01 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:18

29% of race

Time at Steady Pace

1:28:35

42% of race

Time at Slower Pace

1:00:59

29% of race

Average Pace: 8:00 /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 mi10:52:5723:287:3323:28
7:33
#11215
10K
6.21 mi11:17:0147:327:3924:04
7:45
#11650
15K
9.32 mi11:40:561:11:277:4023:55
7:42
#11458
20K
12.43 mi12:05:171:35:487:4324:21
7:50
#11222
Half
13.11 mi12:10:301:41:017:425:13
7:39
#11160
25K
15.53 mi12:29:502:00:217:4519:20
7:58
#10915
30K
18.64 mi12:56:192:26:507:5326:29
8:31
#10788
20M
20.00 mi13:07:582:38:297:5511:39
8:34
#10665
21M
21.00 mi13:17:172:47:487:599:19
9:19
#10557
35K
21.75 mi13:23:182:53:498:006:01
8:03
#10421
23M
23.00 mi13:33:493:04:208:0110:31
8:24
#10214
24M
24.00 mi13:41:513:12:228:018:02
8:02
#10019
40K
24.85 mi13:48:383:19:098:016:47
7:56
#9801
25.2M
25.20 mi13:51:393:22:108:013:01
8:45
#9704
Finish
26.22 mi13:59:213:29:528:017:42
7:33
#9532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112152680268011194(Top 44%)2784(Top 25%)2784(Top 60%)
10K6.21 mi3.10 mi11650-4352963-2832963-28312219(Top 48%)3301(Top 30%)3301(Top 71%)
15K9.32 mi3.11 mi11458+1922895+682895+6811194(Top 44%)2784(Top 25%)2784(Top 60%)
20K12.43 mi3.11 mi11222+2362790+1052790+10510695(Top 42%)2666(Top 24%)2666(Top 57%)
Half13.11 mi0.68 mi11160+622761+292761+2910250(Top 40%)2429(Top 22%)2429(Top 52%)
25K15.53 mi2.42 mi10915+2452686+752686+7510040(Top 39%)2500(Top 23%)2500(Top 54%)
30K18.64 mi3.11 mi10788+1272713-272713-2710776(Top 42%)3081(Top 28%)3081(Top 66%)
20M20.00 mi1.36 mi10665+1232711+22711+29840(Top 39%)2863(Top 26%)2863(Top 61%)
21M21.00 mi1.00 mi10557+1082718-72718-710028(Top 39%)3237(Top 30%)3237(Top 69%)
35K21.75 mi0.75 mi10421+1362673+452673+458091(Top 32%)2267(Top 21%)2267(Top 49%)
23M23.00 mi1.25 mi10214+2072630+432630+437924(Top 31%)2355(Top 22%)2355(Top 51%)
24M24.00 mi1.00 mi10019+1952576+542576+546843(Top 27%)1931(Top 18%)1931(Top 41%)
40K24.85 mi0.85 mi9801+2182512+642512+645510(Top 22%)1432(Top 13%)1432(Top 31%)
25.2M25.20 mi0.35 mi9704+972481+312481+315519(Top 22%)1513(Top 14%)1513(Top 32%)
Finish26.22 mi1.02 mi9532+1722436+452436+455965(Top 23%)1646(Top 15%)1646(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11194

Females

2784

F18-39

2784

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12219

Females

3301

F18-39

3301

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11194

Females

2784

F18-39

2784

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

10695

Females

2666

F18-39

2666

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10250

Females

2429

F18-39

2429

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10040

Females

2500

F18-39

2500

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

10776

Females

3081

F18-39

3081

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

9840

Females

2863

F18-39

2863

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10028

Females

3237

F18-39

3237

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8091

Females

2267

F18-39

2267

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

7924

Females

2355

F18-39

2355

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

6843

Females

1931

F18-39

1931

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5510

Females

1432

F18-39

1432

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5519

Females

1513

F18-39

1513

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

5965

Females

1646

F18-39

1646

Passing Analysis

Category:
Athletes Passed
3029*
Passed By
1346
Net Change
+1683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11215
5K → 10K139574-435#11215#11650
10K → 15K321129+192#11650#11458
15K → 20K344108+236#11458#11222
20K → Half7311+62#11222#11160
Half → 25K33590+245#11160#10915
25K → 30K344217+127#10915#10788
30K → 20M20178+123#10788#10665
20M → 21M18072+108#10665#10557
21M → 35K1459+136#10557#10421
35K → 23M23730+207#10421#10214
23M → 24M207*12+195#10214#10019
24M → 40K224*6+218#10019#9801
40K → 25.2M1014+97#9801#9704
25.2M → Finish1786+172#9704#9532
TOTALS3029*1346+1683

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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