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BOSTON MARATHON 2024

Carrie Guffey

Bib: 29783•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
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
10:52/mi
33:47
↑ 97↓ 3451.5%
10K· 6.21 mi
12:31/mi
1:12:41
↑ 79↓ 1380.4%
15K· 9.32 mi
15:43/mi
2:01:32
↑ 67↓ 78
20K· 12.43 mi
13:04/mi
2:42:08
↑ 106↓ 860.1%
Half· 13.11 mi
11:30/mi
2:49:59
↑ 19↓ 370.5%
25K· 15.53 mi
13:44/mi
3:23:18
↑ 66↓ 880.2%
30K· 18.64 mi
13:11/mi
4:04:16
↑ 181↓ 1480.2%
20M
13:56/mi
4:23:12
↑ 64↓ 500.2%
21M
15:17/mi
4:38:29
↑ 106↓ 241.6%
35K· 21.75 mi
13:46/mi
4:48:47
↑ 17↓ 861.7%
23M
13:18/mi
5:05:26
↑ 23↓ 630.6%
24M
13:18/mi
5:18:44
↓ 821.3%
40K· 24.85 mi
12:33/mi
5:29:28
↓ 200.3%
25.2M
13:23/mi
5:34:05
↑ 13↓ 160.2%
Finish· 26.22 mi
11:08/mi
5:45:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:49:59
Pace12:58 /mi
2nd Half
Distance13.11 mi
Time2:55:27
Pace13:23 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0433:4710:5233:47
10:52
-
10K
6.21 mi12:36:581:12:4111:4238:54
12:31
+1:39
15K
9.32 mi13:25:492:01:3213:0248:51
15:43
+3:12
20K
12.43 mi14:06:252:42:0813:0340:36
13:04
-2:39
Half
13.11 mi14:14:162:49:5912:587:51
11:30
-1:34
25K
15.53 mi14:47:353:23:1813:0533:19
13:44
+2:14
30K
18.64 mi15:28:334:04:1613:0640:58
13:11
-0:33
20M
20.00 mi15:47:294:23:1213:1018:56
13:56
+0:45
21M
21.00 mi16:02:464:38:2913:1615:17
15:17
+1:21
35K
21.75 mi16:13:044:48:4713:1710:18
13:46
-1:31
23M
23.00 mi16:29:435:05:2613:1716:39
13:18
-0:28
24M
24.00 mi16:43:015:18:4413:1713:18
13:18
0:00
40K
24.85 mi16:53:455:29:2813:1510:44
12:33
-0:45
25.2M
25.20 mi16:58:225:34:0513:154:37
13:23
+0:50
Finish
26.22 mi17:09:435:45:2613:1111:21
11:08
-2:15

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

10:52 /mi

Average Pace

13:11 /mi

Slowest Pace

15:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:37

30% of race

Time at Steady Pace

2:58:41

52% of race

Time at Slower Pace

1:04:08

19% of race

Average Pace: 13:10 /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 mi11:58:0433:4710:5233:47
10:52
#24688
10K
6.21 mi12:36:581:12:4111:4238:54
12:31
#25161
15K
9.32 mi13:25:492:01:3213:0248:51
15:43
#25497
20K
12.43 mi14:06:252:42:0813:0340:36
13:04
#25446
Half
13.11 mi14:14:162:49:5912:587:51
11:30
#25421
25K
15.53 mi14:47:353:23:1813:0533:19
13:44
#25376
30K
18.64 mi15:28:334:04:1613:0640:58
13:11
#25214
20M
20.00 mi15:47:294:23:1213:1018:56
13:56
#25188
21M
21.00 mi16:02:464:38:2913:1615:17
15:17
#25172
35K
21.75 mi16:13:044:48:4713:1710:18
13:46
#25155
23M
23.00 mi16:29:435:05:2613:1716:39
13:18
#25092
24M
24.00 mi16:43:015:18:4413:1713:18
13:18
#25059
40K
24.85 mi16:53:455:29:2813:1510:44
12:33
#24998
25.2M
25.20 mi16:58:225:34:0513:154:37
13:23
#24970
Finish
26.22 mi17:09:435:45:2613:1111:21
11:08
#24913
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi24688103611036125544(Top 100%)10921(Top 100%)10921(Top 623%)
10K6.21 mi3.10 mi25161-47310670-30910670-30925353(Top 99%)10801(Top 99%)10801(Top 616%)
15K9.32 mi3.11 mi25497-33610901-23110901-23125544(Top 100%)10921(Top 100%)10921(Top 623%)
20K12.43 mi3.11 mi25446+5110865+3610865+3624906(Top 97%)10542(Top 97%)10542(Top 601%)
Half13.11 mi0.68 mi25421+2510846+1910846+1924120(Top 94%)10119(Top 93%)10119(Top 577%)
25K15.53 mi2.42 mi25376+4510815+3110815+3124766(Top 97%)10508(Top 96%)10508(Top 599%)
30K18.64 mi3.11 mi25214+16210725+9010725+9023504(Top 92%)9907(Top 91%)9907(Top 565%)
20M20.00 mi1.36 mi25188+2610711+1410711+1423906(Top 94%)10183(Top 93%)10183(Top 581%)
21M21.00 mi1.00 mi25172+1610707+410707+423876(Top 93%)10215(Top 94%)10215(Top 583%)
35K21.75 mi0.75 mi25155+1710698+910698+924083(Top 94%)10343(Top 95%)10343(Top 590%)
23M23.00 mi1.25 mi25092+6310668+3010668+3022984(Top 90%)9832(Top 90%)9832(Top 561%)
24M24.00 mi1.00 mi25059+3310654+1410654+1423484(Top 92%)10142(Top 93%)10142(Top 579%)
40K24.85 mi0.85 mi24998+6110627+2710627+2721526(Top 84%)9249(Top 85%)9249(Top 528%)
25.2M25.20 mi0.35 mi24970+2810615+1210615+1220543(Top 80%)8804(Top 81%)8804(Top 502%)
Finish26.22 mi1.02 mi24913+5710590+2510590+2521707(Top 85%)9317(Top 85%)9317(Top 531%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21story building
+97ft-345ft

Overall

25544

Females

10921

F45-49

10921

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

25353

Females

10801

F45-49

10801

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

25544

Females

10921

F45-49

10921

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

24906

Females

10542

F45-49

10542

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24120

Females

10119

F45-49

10119

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

24766

Females

10508

F45-49

10508

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

23504

Females

9907

F45-49

9907

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

23906

Females

10183

F45-49

10183

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

23876

Females

10215

F45-49

10215

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24083

Females

10343

F45-49

10343

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

22984

Females

9832

F45-49

9832

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

23484

Females

10142

F45-49

10142

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

21526

Females

9249

F45-49

9249

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

20543

Females

8804

F45-49

8804

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

21707

Females

9317

F45-49

9317

Passing Analysis

Category:
Athletes Passed
636
Passed By
861
Net Change
-225
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24688
5K → 10K9482-473#24688#25161
10K → 15K2338-336#25161#25497
15K → 20K521+51#25497#25446
20K → Half250+25#25446#25421
Half → 25K461+45#25421#25376
25K → 30K1620+162#25376#25214
30K → 20M3610+26#25214#25188
20M → 21M237+16#25188#25172
21M → 35K2912+17#25172#25155
35K → 23M641+63#25155#25092
23M → 24M396+33#25092#25059
24M → 40K632+61#25059#24998
40K → 25.2M291+28#24998#24970
25.2M → Finish570+57#24970#24913
TOTALS636861-225
📊

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