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BOSTON MARATHON 2024

Kristen Cotnoir

Bib: 21108•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
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
8:38/mi
26:48
↑ 97↓ 3451.5%
10K· 6.21 mi
8:33/mi
53:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:55/mi
1:21:04
↑ 67↓ 78
20K· 12.43 mi
8:44/mi
1:48:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:54:12
↑ 19↓ 370.5%
25K· 15.53 mi
10:03/mi
2:18:35
↑ 66↓ 880.2%
30K· 18.64 mi
11:08/mi
2:53:10
↑ 181↓ 1480.2%
20M
11:25/mi
3:08:41
↑ 64↓ 500.2%
21M
11:33/mi
3:20:14
↑ 106↓ 241.6%
35K· 21.75 mi
10:18/mi
3:27:56
↑ 17↓ 861.7%
23M
11:34/mi
3:42:25
↑ 23↓ 630.6%
24M
10:10/mi
3:52:35
↓ 821.3%
40K· 24.85 mi
12:32/mi
4:03:18
↓ 200.3%
25.2M
10:41/mi
4:06:59
↑ 13↓ 160.2%
Finish· 26.22 mi
10:20/mi
4:17:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:12
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:23:19
Pace10:56 /mi
📊Positive Split: 25.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0526:488:3826:48
8:38
-
10K
6.21 mi11:49:3953:228:3526:34
8:33
-0:05
15K
9.32 mi12:17:211:21:048:4227:42
8:55
+0:22
20K
12.43 mi12:44:291:48:128:4227:08
8:44
-0:11
Half
13.11 mi12:50:291:54:128:436:00
8:48
+0:04
25K
15.53 mi13:14:522:18:358:5524:23
10:03
+1:15
30K
18.64 mi13:49:272:53:109:1734:35
11:08
+1:05
20M
20.00 mi14:04:583:08:419:2615:31
11:25
+0:17
21M
21.00 mi14:16:313:20:149:3211:33
11:33
+0:08
35K
21.75 mi14:24:133:27:569:347:42
10:18
-1:15
23M
23.00 mi14:38:423:42:259:4014:29
11:34
+1:16
24M
24.00 mi14:48:523:52:359:4110:10
10:10
-1:24
40K
24.85 mi14:59:354:03:189:4710:43
12:32
+2:22
25.2M
25.20 mi15:03:164:06:599:483:41
10:41
-1:51
Finish
26.22 mi15:13:484:17:319:5010:32
10:20
-0:21

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

8:33 /mi

Average Pace

9:50 /mi

Slowest Pace

12:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:12

44% of race

Time at Steady Pace

56:28

22% of race

Time at Slower Pace

1:26:51

34% of race

Average Pace: 9:49 /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 mi11:23:0526:488:3826:48
8:38
#18472
10K
6.21 mi11:49:3953:228:3526:34
8:33
#18016
15K
9.32 mi12:17:211:21:048:4227:42
8:55
#18169
20K
12.43 mi12:44:291:48:128:4227:08
8:44
#17567
Half
13.11 mi12:50:291:54:128:436:00
8:48
#17525
25K
15.53 mi13:14:522:18:358:5524:23
10:03
#17926
30K
18.64 mi13:49:272:53:109:1734:35
11:08
#18608
20M
20.00 mi14:04:583:08:419:2615:31
11:25
#18785
21M
21.00 mi14:16:313:20:149:3211:33
11:33
#18718
35K
21.75 mi14:24:133:27:569:347:42
10:18
#18675
23M
23.00 mi14:38:423:42:259:4014:29
11:34
#18722
24M
24.00 mi14:48:523:52:359:4110:10
10:10
#18620
40K
24.85 mi14:59:354:03:189:4710:43
12:32
#18740
25.2M
25.20 mi15:03:164:06:599:483:41
10:41
#18673
Finish
26.22 mi15:13:484:17:319:5010:32
10:20
#18689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi184727041704118522(Top 72%)6987(Top 64%)6987(Top 589%)
10K6.21 mi3.10 mi18016+4566752+2896752+28917588(Top 69%)6486(Top 59%)6486(Top 546%)
15K9.32 mi3.11 mi18169-1536840-886840-8818522(Top 72%)6987(Top 64%)6987(Top 589%)
20K12.43 mi3.11 mi17567+6026501+3396501+33916023(Top 63%)5608(Top 51%)5608(Top 472%)
Half13.11 mi0.68 mi17525+426485+166485+1617368(Top 68%)6446(Top 59%)6446(Top 543%)
25K15.53 mi2.42 mi17926-4016729-2446729-24419274(Top 75%)7525(Top 69%)7525(Top 634%)
30K18.64 mi3.11 mi18608-6827170-4417170-44120282(Top 79%)8258(Top 76%)8258(Top 696%)
20M20.00 mi1.36 mi18785-1777275-1057275-10520236(Top 79%)8344(Top 76%)8344(Top 703%)
21M21.00 mi1.00 mi18718+677277-27277-217787(Top 70%)7230(Top 66%)7230(Top 609%)
35K21.75 mi0.75 mi18675+437275+27275+218028(Top 71%)7358(Top 67%)7358(Top 620%)
23M23.00 mi1.25 mi18722-477316-417316-4119807(Top 78%)8304(Top 76%)8304(Top 700%)
24M24.00 mi1.00 mi18620+1027283+337283+3316884(Top 66%)6890(Top 63%)6890(Top 580%)
40K24.85 mi0.85 mi18740-1207366-837366-8321477(Top 84%)9211(Top 84%)9211(Top 776%)
25.2M25.20 mi0.35 mi18673+677341+257341+2513507(Top 53%)5339(Top 49%)5339(Top 450%)
Finish26.22 mi1.02 mi18689-167382-417382-4119532(Top 76%)8240(Top 75%)8240(Top 694%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

18522

Females

6987

F50-54

6987

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

17588

Females

6486

F50-54

6486

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

18522

Females

6987

F50-54

6987

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16023

Females

5608

F50-54

5608

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

17368

Females

6446

F50-54

6446

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19274

Females

7525

F50-54

7525

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20282

Females

8258

F50-54

8258

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20236

Females

8344

F50-54

8344

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

17787

Females

7230

F50-54

7230

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18028

Females

7358

F50-54

7358

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

19807

Females

8304

F50-54

8304

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

16884

Females

6890

F50-54

6890

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

21477

Females

9211

F50-54

9211

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

13507

Females

5339

F50-54

5339

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

19532

Females

8240

F50-54

8240

Passing Analysis

Category:
Athletes Passed
2227
Passed By
2444
Net Change
-217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18472
5K → 10K563107+456#18472#18016
10K → 15K174327-153#18016#18169
15K → 20K62119+602#18169#17567
20K → Half6725+42#17567#17525
Half → 25K93494-401#17525#17926
25K → 30K90772-682#17926#18608
30K → 20M43220-177#18608#18785
20M → 21M12558+67#18785#18718
21M → 35K8744+43#18718#18675
35K → 23M91138-47#18675#18722
23M → 24M11614+102#18722#18620
24M → 40K31151-120#18620#18740
40K → 25.2M681+67#18740#18673
25.2M → Finish5874-16#18673#18689
TOTALS22272444-217
📊

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