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BOSTON MARATHON 2024

Sarah Bourdon

Bib: 15177•F

IL

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 29%
Division (F18-39)
#0 / 4660
Top 46%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:58/mi
24:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
50:00
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:14:53
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:39:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:44:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:04:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:17/mi
2:30:08
↑ 181↓ 1480.2%
20M
8:17/mi
2:41:24
↑ 64↓ 500.2%
21M
8:48/mi
2:50:12
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:56:20
↑ 17↓ 861.7%
23M
8:22/mi
3:06:49
↑ 23↓ 630.6%
24M
8:56/mi
3:15:45
↓ 821.3%
40K· 24.85 mi
9:46/mi
3:24:06
↓ 200.3%
25.2M
9:20/mi
3:27:19
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:35:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:53
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:50:51
Pace8:27 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:3524:467:5824:46
7:58
-
10K
6.21 mi11:23:4950:008:0325:14
8:07
+0:09
15K
9.32 mi11:48:421:14:538:0224:53
8:01
-0:06
20K
12.43 mi12:13:221:39:338:0124:40
7:56
-0:05
Half
13.11 mi12:18:421:44:538:005:20
7:49
-0:07
25K
15.53 mi12:38:122:04:238:0019:30
8:03
+0:14
30K
18.64 mi13:03:572:30:088:0325:45
8:17
+0:14
20M
20.00 mi13:15:132:41:248:0411:16
8:17
0:00
21M
21.00 mi13:24:012:50:128:068:48
8:48
+0:31
35K
21.75 mi13:30:092:56:208:066:08
8:12
-0:36
23M
23.00 mi13:40:383:06:498:0710:29
8:22
+0:10
24M
24.00 mi13:49:343:15:458:098:56
8:56
+0:34
40K
24.85 mi13:57:553:24:068:138:21
9:46
+0:50
25.2M
25.20 mi14:01:083:27:198:143:13
9:20
-0:26
Finish
26.22 mi14:09:333:35:448:148:25
8:16
-1:04

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

7:49 /mi

Average Pace

8:14 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:46

25% of race

Time at Steady Pace

2:11:40

61% of race

Time at Slower Pace

29:18

14% of race

Average Pace: 8:14 /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 mi10:58:3524:467:5824:46
7:58
#14457
10K
6.21 mi11:23:4950:008:0325:14
8:07
#14758
15K
9.32 mi11:48:421:14:538:0224:53
8:01
#14290
20K
12.43 mi12:13:221:39:338:0124:40
7:56
#13511
Half
13.11 mi12:18:421:44:538:005:20
7:49
#13388
25K
15.53 mi12:38:122:04:238:0019:30
8:03
#12771
30K
18.64 mi13:03:572:30:088:0325:45
8:17
#12036
20M
20.00 mi13:15:132:41:248:0411:16
8:17
#11693
21M
21.00 mi13:24:012:50:128:068:48
8:48
#11364
35K
21.75 mi13:30:092:56:208:066:08
8:12
#11234
23M
23.00 mi13:40:383:06:498:0710:29
8:22
#10955
24M
24.00 mi13:49:343:15:458:098:56
8:56
#10968
40K
24.85 mi13:57:553:24:068:138:21
9:46
#11074
25.2M
25.20 mi14:01:083:27:198:143:13
9:20
#11008
Finish
26.22 mi14:09:333:35:448:148:25
8:16
#10937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144574595459513521(Top 53%)4092(Top 37%)4092(Top 88%)
10K6.21 mi3.10 mi14758-3014785-1904785-19015013(Top 59%)4938(Top 45%)4938(Top 106%)
15K9.32 mi3.11 mi14290+4684507+2784507+27813521(Top 53%)4092(Top 37%)4092(Top 88%)
20K12.43 mi3.11 mi13511+7794067+4404067+44011421(Top 45%)3018(Top 28%)3018(Top 65%)
Half13.11 mi0.68 mi13388+1234016+514016+5111523(Top 45%)3091(Top 28%)3091(Top 66%)
25K15.53 mi2.42 mi12771+6173690+3263690+32610474(Top 41%)2727(Top 25%)2727(Top 59%)
30K18.64 mi3.11 mi12036+7353370+3203370+3209507(Top 37%)2466(Top 23%)2466(Top 53%)
20M20.00 mi1.36 mi11693+3433228+1423228+1428364(Top 33%)2173(Top 20%)2173(Top 47%)
21M21.00 mi1.00 mi11364+3293125+1033125+1037649(Top 30%)2021(Top 19%)2021(Top 43%)
35K21.75 mi0.75 mi11234+1303093+323093+329011(Top 35%)2730(Top 25%)2730(Top 59%)
23M23.00 mi1.25 mi10955+2793010+833010+837788(Top 30%)2296(Top 21%)2296(Top 49%)
24M24.00 mi1.00 mi10968-133063-533063-5311814(Top 46%)4306(Top 39%)4306(Top 92%)
40K24.85 mi0.85 mi11074-1063173-1103173-11014142(Top 55%)5594(Top 51%)5594(Top 120%)
25.2M25.20 mi0.35 mi11008+663154+193154+198083(Top 32%)2706(Top 25%)2706(Top 58%)
Finish26.22 mi1.02 mi10937+713163-93163-910113(Top 40%)3565(Top 33%)3565(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

13521

Females

4092

F18-39

4092

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15013

Females

4938

F18-39

4938

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

13521

Females

4092

F18-39

4092

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11421

Females

3018

F18-39

3018

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11523

Females

3091

F18-39

3091

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10474

Females

2727

F18-39

2727

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9507

Females

2466

F18-39

2466

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8364

Females

2173

F18-39

2173

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7649

Females

2021

F18-39

2021

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9011

Females

2730

F18-39

2730

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7788

Females

2296

F18-39

2296

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

11814

Females

4306

F18-39

4306

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14142

Females

5594

F18-39

5594

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8083

Females

2706

F18-39

2706

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10113

Females

3565

F18-39

3565

Passing Analysis

Category:
Athletes Passed
4485
Passed By
965
Net Change
+3520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14457
5K → 10K168469-301#14457#14758
10K → 15K52153+468#14758#14290
15K → 20K7878+779#14290#13511
20K → Half1285+123#13511#13388
Half → 25K6269+617#13388#12771
25K → 30K75722+735#12771#12036
30K → 20M35714+343#12036#11693
20M → 21M34314+329#11693#11364
21M → 35K14515+130#11364#11234
35K → 23M30324+279#11234#10955
23M → 24M94107-13#10955#10968
24M → 40K69175-106#10968#11074
40K → 25.2M748+66#11074#11008
25.2M → Finish11342+71#11008#10937
TOTALS4485965+3520
📊

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