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BOSTON MARATHON 2024

Karin Thorburn

Bib: 21166•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 44%
Masters (Masters Women)
#0 / 6263
Top 33%
Division (F55-59)
#0 / 876
Top 15%
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
8:22/mi
26:00
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
52:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:32/mi
1:19:13
↑ 67↓ 78
20K· 12.43 mi
8:45/mi
1:46:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:52:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:13:17
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:41:31
↑ 181↓ 1480.2%
20M
9:02/mi
2:53:47
↑ 64↓ 500.2%
21M
9:38/mi
3:03:25
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
3:09:59
↑ 17↓ 861.7%
23M
8:46/mi
3:20:58
↑ 23↓ 630.6%
24M
8:33/mi
3:29:31
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:36:53
↓ 200.3%
25.2M
9:40/mi
3:40:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:17/mi
3:48:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:10
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:56:29
Pace8:53 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0326:008:2226:00
8:22
-
10K
6.21 mi11:47:4552:428:2926:42
8:36
+0:14
15K
9.32 mi12:14:161:19:138:3026:31
8:32
-0:04
20K
12.43 mi12:41:271:46:248:3427:11
8:45
+0:13
Half
13.11 mi12:47:131:52:108:335:46
8:27
-0:18
25K
15.53 mi13:08:202:13:178:3521:07
8:43
+0:16
30K
18.64 mi13:36:342:41:318:4028:14
9:05
+0:22
20M
20.00 mi13:48:502:53:478:4112:16
9:02
-0:03
21M
21.00 mi13:58:283:03:258:449:38
9:38
+0:36
35K
21.75 mi14:05:023:09:598:446:34
8:47
-0:51
23M
23.00 mi14:16:013:20:588:4410:59
8:46
-0:01
24M
24.00 mi14:24:343:29:318:448:33
8:33
-0:13
40K
24.85 mi14:31:563:36:538:447:22
8:37
+0:04
25.2M
25.20 mi14:35:163:40:138:443:20
9:40
+1:03
Finish
26.22 mi14:43:423:48:398:448:26
8:17
-1:23

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

8:17 /mi

Average Pace

8:44 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:41

94% of race

Time at Steady Pace

12:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:43 /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 mi11:21:0326:008:2226:00
8:22
#17055
10K
6.21 mi11:47:4552:428:2926:42
8:36
#17423
15K
9.32 mi12:14:161:19:138:3026:31
8:32
#17085
20K
12.43 mi12:41:271:46:248:3427:11
8:45
#16785
Half
13.11 mi12:47:131:52:108:335:46
8:27
#16701
25K
15.53 mi13:08:202:13:178:3521:07
8:43
#16210
30K
18.64 mi13:36:342:41:318:4028:14
9:05
#15696
20M
20.00 mi13:48:502:53:478:4112:16
9:02
#15438
21M
21.00 mi13:58:283:03:258:449:38
9:38
#15180
35K
21.75 mi14:05:023:09:598:446:34
8:47
#15090
23M
23.00 mi14:16:013:20:588:4410:59
8:46
#14767
24M
24.00 mi14:24:343:29:318:448:33
8:33
#14492
40K
24.85 mi14:31:563:36:538:447:22
8:37
#14265
25.2M
25.20 mi14:35:163:40:138:443:20
9:40
#14170
Finish
26.22 mi14:43:423:48:398:448:26
8:17
#13989
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi170556199619916594(Top 65%)5915(Top 54%)5915(Top 675%)
10K6.21 mi3.10 mi17423-3686401-2026401-20217814(Top 70%)6613(Top 61%)6613(Top 755%)
15K9.32 mi3.11 mi17085+3386202+1996202+19916594(Top 65%)5915(Top 54%)5915(Top 675%)
20K12.43 mi3.11 mi16785+3006039+1636039+16316102(Top 63%)5648(Top 52%)5648(Top 645%)
Half13.11 mi0.68 mi16701+845990+495990+4915451(Top 60%)5294(Top 48%)5294(Top 604%)
25K15.53 mi2.42 mi16210+4915730+2605730+26014128(Top 55%)4677(Top 43%)4677(Top 534%)
30K18.64 mi3.11 mi15696+5145490+2405490+24013655(Top 53%)4648(Top 43%)4648(Top 531%)
20M20.00 mi1.36 mi15438+2585383+1075383+10712284(Top 48%)4178(Top 38%)4178(Top 477%)
21M21.00 mi1.00 mi15180+2585279+1045279+10411431(Top 45%)3972(Top 36%)3972(Top 453%)
35K21.75 mi0.75 mi15090+905247+325247+3212252(Top 48%)4416(Top 40%)4416(Top 504%)
23M23.00 mi1.25 mi14767+3235128+1195128+1199980(Top 39%)3395(Top 31%)3395(Top 388%)
24M24.00 mi1.00 mi14492+2755021+1075021+1079795(Top 38%)3346(Top 31%)3346(Top 382%)
40K24.85 mi0.85 mi14265+2274916+1054916+1058997(Top 35%)3094(Top 28%)3094(Top 353%)
25.2M25.20 mi0.35 mi14170+954878+384878+389535(Top 37%)3438(Top 31%)3438(Top 392%)
Finish26.22 mi1.02 mi13989+1814808+704808+7010226(Top 40%)3624(Top 33%)3624(Top 414%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

16594

Females

5915

F55-59

5915

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

17814

Females

6613

F55-59

6613

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

16594

Females

5915

F55-59

5915

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16102

Females

5648

F55-59

5648

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15451

Females

5294

F55-59

5294

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14128

Females

4677

F55-59

4677

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

13655

Females

4648

F55-59

4648

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12284

Females

4178

F55-59

4178

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11431

Females

3972

F55-59

3972

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12252

Females

4416

F55-59

4416

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

9980

Females

3395

F55-59

3395

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

9795

Females

3346

F55-59

3346

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

8997

Females

3094

F55-59

3094

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9535

Females

3438

F55-59

3438

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10226

Females

3624

F55-59

3624

Passing Analysis

Category:
Athletes Passed
3934
Passed By
868
Net Change
+3066
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17055
5K → 10K153521-368#17055#17423
10K → 15K43698+338#17423#17085
15K → 20K409109+300#17085#16785
20K → Half928+84#16785#16701
Half → 25K50615+491#16701#16210
25K → 30K55743+514#16210#15696
30K → 20M27214+258#15696#15438
20M → 21M27416+258#15438#15180
21M → 35K10818+90#15180#15090
35K → 23M3329+323#15090#14767
23M → 24M2794+275#14767#14492
24M → 40K2281+227#14492#14265
40K → 25.2M1005+95#14265#14170
25.2M → Finish1887+181#14170#13989
TOTALS3934868+3066
📊

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