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BOSTON MARATHON 2024

Nicola Cartlidge

Bib: 18125•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 39%
Masters (Masters Women)
#0 / 6263
Top 27%
Division (F45-49)
#0 / 1753
Top 34%
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
8:25/mi
26:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:16/mi
51:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:17:32
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:43:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:49:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:10:28
↑ 66↓ 880.2%
30K· 18.64 mi
9:19/mi
2:39:25
↑ 181↓ 1480.2%
20M
8:48/mi
2:51:22
↑ 64↓ 500.2%
21M
9:10/mi
3:00:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
3:06:56
↑ 17↓ 861.7%
23M
8:34/mi
3:17:39
↑ 23↓ 630.6%
24M
8:25/mi
3:26:04
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:33:21
↓ 200.3%
25.2M
9:02/mi
3:36:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:44:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:37
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:54:48
Pace8:45 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4226:088:2526:08
8:25
-
10K
6.21 mi11:46:2251:488:2025:40
8:16
-0:09
15K
9.32 mi12:12:061:17:328:1925:44
8:17
+0:01
20K
12.43 mi12:38:291:43:558:2226:23
8:30
+0:13
Half
13.11 mi12:44:111:49:378:225:42
8:21
-0:09
25K
15.53 mi13:05:022:10:288:2420:51
8:36
+0:15
30K
18.64 mi13:33:592:39:258:3328:57
9:19
+0:43
20M
20.00 mi13:45:562:51:228:3411:57
8:48
-0:31
21M
21.00 mi13:55:063:00:328:369:10
9:10
+0:22
35K
21.75 mi14:01:303:06:568:366:24
8:33
-0:37
23M
23.00 mi14:12:133:17:398:3610:43
8:34
+0:01
24M
24.00 mi14:20:383:26:048:358:25
8:25
-0:09
40K
24.85 mi14:27:553:33:218:357:17
8:31
+0:06
25.2M
25.20 mi14:31:023:36:288:353:07
9:02
+0:31
Finish
26.22 mi14:38:593:44:258:347:57
7:48
-1:14

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

7:48 /mi

Average Pace

8:34 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:23

67% of race

Time at Steady Pace

45:05

20% of race

Time at Slower Pace

28:57

13% of race

Average Pace: 8:34 /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 mi11:20:4226:088:2526:08
8:25
#17281
10K
6.21 mi11:46:2251:488:2025:40
8:16
#16549
15K
9.32 mi12:12:061:17:328:1925:44
8:17
#16030
20K
12.43 mi12:38:291:43:558:2226:23
8:30
#15632
Half
13.11 mi12:44:111:49:378:225:42
8:21
#15582
25K
15.53 mi13:05:022:10:288:2420:51
8:36
#15192
30K
18.64 mi13:33:592:39:258:3328:57
9:19
#15108
20M
20.00 mi13:45:562:51:228:3411:57
8:48
#14778
21M
21.00 mi13:55:063:00:328:369:10
9:10
#14429
35K
21.75 mi14:01:303:06:568:366:24
8:33
#14267
23M
23.00 mi14:12:133:17:398:3610:43
8:34
#13904
24M
24.00 mi14:20:383:26:048:358:25
8:25
#13660
40K
24.85 mi14:27:553:33:218:357:17
8:31
#13412
25.2M
25.20 mi14:31:023:36:288:353:07
9:02
#13272
Finish
26.22 mi14:38:593:44:258:347:57
7:48
#13009
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi172816322632215185(Top 59%)5074(Top 46%)5074(Top 289%)
10K6.21 mi3.10 mi16549+7325892+4305892+43015902(Top 62%)5473(Top 50%)5473(Top 312%)
15K9.32 mi3.11 mi16030+5195574+3185574+31815185(Top 59%)5074(Top 46%)5074(Top 289%)
20K12.43 mi3.11 mi15632+3985348+2265348+22614770(Top 58%)4874(Top 45%)4874(Top 278%)
Half13.11 mi0.68 mi15582+505320+285320+2814915(Top 58%)4982(Top 46%)4982(Top 284%)
25K15.53 mi2.42 mi15192+3905113+2075113+20713586(Top 53%)4371(Top 40%)4371(Top 249%)
30K18.64 mi3.11 mi15108+845145-325145-3214700(Top 58%)5258(Top 48%)5258(Top 300%)
20M20.00 mi1.36 mi14778+3304988+1574988+15711078(Top 43%)3520(Top 32%)3520(Top 201%)
21M21.00 mi1.00 mi14429+3494835+1534835+1539386(Top 37%)2897(Top 27%)2897(Top 165%)
35K21.75 mi0.75 mi14267+1624774+614774+6111099(Top 43%)3815(Top 35%)3815(Top 218%)
23M23.00 mi1.25 mi13904+3634631+1434631+1438831(Top 35%)2797(Top 26%)2797(Top 160%)
24M24.00 mi1.00 mi13660+2444540+914540+918985(Top 35%)2948(Top 27%)2948(Top 168%)
40K24.85 mi0.85 mi13412+2484444+964444+968496(Top 33%)2829(Top 26%)2829(Top 161%)
25.2M25.20 mi0.35 mi13272+1404384+604384+606816(Top 27%)2110(Top 19%)2110(Top 120%)
Finish26.22 mi1.02 mi13009+2634286+984286+987394(Top 29%)2302(Top 21%)2302(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15185

Females

5074

F45-49

5074

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

15902

Females

5473

F45-49

5473

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15185

Females

5074

F45-49

5074

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

14770

Females

4874

F45-49

4874

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

14915

Females

4982

F45-49

4982

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13586

Females

4371

F45-49

4371

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

14700

Females

5258

F45-49

5258

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11078

Females

3520

F45-49

3520

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9386

Females

2897

F45-49

2897

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11099

Females

3815

F45-49

3815

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

8831

Females

2797

F45-49

2797

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

8985

Females

2948

F45-49

2948

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8496

Females

2829

F45-49

2829

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

6816

Females

2110

F45-49

2110

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7394

Females

2302

F45-49

2302

Passing Analysis

Category:
Athletes Passed
4782
Passed By
510
Net Change
+4272
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17281
5K → 10K79260+732#17281#16549
10K → 15K56748+519#16549#16030
15K → 20K45658+398#16030#15632
20K → Half6818+50#15632#15582
Half → 25K43545+390#15582#15192
25K → 30K313229+84#15192#15108
30K → 20M3366+330#15108#14778
20M → 21M35910+349#14778#14429
21M → 35K17715+162#14429#14267
35K → 23M3674+363#14267#13904
23M → 24M2484+244#13904#13660
24M → 40K2579+248#13660#13412
40K → 25.2M1422+140#13412#13272
25.2M → Finish2652+263#13272#13009
TOTALS4782510+4272
📊

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