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BOSTON MARATHON 2024

Louisa Chatroux

Bib: 13666•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 34%
Gender (Female)
#0 / 10924
Top 19%
Division (F18-39)
#0 / 4660
Top 33%
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
7:36/mi
23:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
47:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:10:38
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:34:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:40:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:59:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:24:26
↑ 181↓ 1480.2%
20M
8:12/mi
2:35:34
↑ 64↓ 500.2%
21M
8:43/mi
2:44:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:50:19
↑ 17↓ 861.7%
23M
8:10/mi
3:00:32
↑ 23↓ 630.6%
24M
8:10/mi
3:08:42
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:15:43
↓ 200.3%
25.2M
9:02/mi
3:18:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:27:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:12
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:47:05
Pace8:10 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0123:377:3623:37
7:36
-
10K
6.21 mi11:37:2547:017:3423:24
7:32
-0:04
15K
9.32 mi12:01:021:10:387:3523:37
7:36
+0:04
20K
12.43 mi12:25:171:34:537:3824:15
7:48
+0:12
Half
13.11 mi12:30:361:40:127:395:19
7:48
0:00
25K
15.53 mi12:49:321:59:087:4018:56
7:49
+0:01
30K
18.64 mi13:14:502:24:267:4525:18
8:09
+0:20
20M
20.00 mi13:25:582:35:347:4711:08
8:12
+0:03
21M
21.00 mi13:34:412:44:177:498:43
8:43
+0:31
35K
21.75 mi13:40:432:50:197:506:02
8:04
-0:39
23M
23.00 mi13:50:563:00:327:5110:13
8:10
+0:06
24M
24.00 mi13:59:063:08:427:528:10
8:10
0:00
40K
24.85 mi14:06:073:15:437:527:01
8:12
+0:02
25.2M
25.20 mi14:09:143:18:507:533:07
9:02
+0:50
Finish
26.22 mi14:17:413:27:177:558:27
8:18
-0:44

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

7:32 /mi

Average Pace

7:55 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:00

90% of race

Time at Steady Pace

17:10

8% of race

Time at Slower Pace

3:07

2% of race

Average Pace: 7:54 /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 mi11:14:0123:377:3623:37
7:36
#11560
10K
6.21 mi11:37:2547:017:3423:24
7:32
#11049
15K
9.32 mi12:01:021:10:387:3523:37
7:36
#10801
20K
12.43 mi12:25:171:34:537:3824:15
7:48
#10653
Half
13.11 mi12:30:361:40:127:395:19
7:48
#10693
25K
15.53 mi12:49:321:59:087:4018:56
7:49
#10302
30K
18.64 mi13:14:502:24:267:4525:18
8:09
#9894
20M
20.00 mi13:25:582:35:347:4711:08
8:12
#9632
21M
21.00 mi13:34:412:44:177:498:43
8:43
#9393
35K
21.75 mi13:40:432:50:197:506:02
8:04
#9305
23M
23.00 mi13:50:563:00:327:5110:13
8:10
#9025
24M
24.00 mi13:59:063:08:427:528:10
8:10
#8941
40K
24.85 mi14:06:073:15:437:527:01
8:12
#8792
25.2M
25.20 mi14:09:143:18:507:533:07
9:02
#8723
Finish
26.22 mi14:17:413:27:177:558:27
8:18
#8789
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi115602883288310440(Top 41%)2399(Top 22%)2399(Top 51%)
10K6.21 mi3.10 mi11049+5112642+2412642+24110535(Top 41%)2374(Top 22%)2374(Top 51%)
15K9.32 mi3.11 mi10801+2482515+1272515+12710440(Top 41%)2399(Top 22%)2399(Top 51%)
20K12.43 mi3.11 mi10653+1482479+362479+3610455(Top 41%)2560(Top 23%)2560(Top 55%)
Half13.11 mi0.68 mi10693-402509-302509-3011392(Top 45%)3034(Top 28%)3034(Top 65%)
25K15.53 mi2.42 mi10302+3912365+1442365+1448978(Top 35%)1996(Top 18%)1996(Top 43%)
30K18.64 mi3.11 mi9894+4082265+1002265+1008698(Top 34%)2068(Top 19%)2068(Top 44%)
20M20.00 mi1.36 mi9632+2622198+672198+677814(Top 31%)1897(Top 17%)1897(Top 41%)
21M21.00 mi1.00 mi9393+2392135+632135+637251(Top 28%)1835(Top 17%)1835(Top 39%)
35K21.75 mi0.75 mi9305+882125+102125+108200(Top 32%)2314(Top 21%)2314(Top 50%)
23M23.00 mi1.25 mi9025+2802049+762049+766602(Top 26%)1728(Top 16%)1728(Top 37%)
24M24.00 mi1.00 mi8941+84204920497576(Top 30%)2279(Top 21%)2279(Top 49%)
40K24.85 mi0.85 mi8792+1492027+222027+226852(Top 27%)2054(Top 19%)2054(Top 44%)
25.2M25.20 mi0.35 mi8723+692025+22025+26768(Top 26%)2062(Top 19%)2062(Top 44%)
Finish26.22 mi1.02 mi8789-662086-612086-6110297(Top 40%)3637(Top 33%)3637(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10440

Females

2399

F18-39

2399

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10535

Females

2374

F18-39

2374

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10440

Females

2399

F18-39

2399

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10455

Females

2560

F18-39

2560

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11392

Females

3034

F18-39

3034

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

8978

Females

1996

F18-39

1996

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8698

Females

2068

F18-39

2068

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

7814

Females

1897

F18-39

1897

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7251

Females

1835

F18-39

1835

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8200

Females

2314

F18-39

2314

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6602

Females

1728

F18-39

1728

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7576

Females

2279

F18-39

2279

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6852

Females

2054

F18-39

2054

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6768

Females

2062

F18-39

2062

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10297

Females

3637

F18-39

3637

Passing Analysis

Category:
Athletes Passed
3585
Passed By
814
Net Change
+2771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11560
5K → 10K59281+511#11560#11049
10K → 15K34092+248#11049#10801
15K → 20K287139+148#10801#10653
20K → Half3474-40#10653#10693
Half → 25K42938+391#10693#10302
25K → 30K49183+408#10302#9894
30K → 20M29331+262#9894#9632
20M → 21M26526+239#9632#9393
21M → 35K11426+88#9393#9305
35K → 23M30323+280#9305#9025
23M → 24M12137+84#9025#8941
24M → 40K17324+149#8941#8792
40K → 25.2M8213+69#8792#8723
25.2M → Finish61127-66#8723#8789
TOTALS3585814+2771
📊

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