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BOSTON MARATHON 2024

Carolyn Griffin

CA

Bib: 17923 F

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:02/mi
24:58
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:55/mi
49:33
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:29/mi
1:15:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:12/mi
1:44:29
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:56/mi
1:50:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:37/mi
2:13:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:13/mi
2:45:36
↑ 181↓ 1480.2%
138 ft elev
20M
10:12/mi
2:59:27
↑ 64↓ 500.2%
148 ft elev
21M
10:53/mi
3:10:20
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:40/mi
3:18:19
↑ 17↓ 861.7%
156 ft elev
23M
9:34/mi
3:30:18
↑ 23↓ 630.6%
116 ft elev
24M
9:27/mi
3:39:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:52/mi
3:48:11
↓ 200.3%
20 ft elev
25.2M
10:03/mi
3:51:39
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:26/mi
4:00:15
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:50:358:26 /mi⚡ faster
2nd Half
2:09:409:53 /mi+17.3%
Positive split — 17.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:588:023.11 mi24:58
8:02
-
10K
49:337:583.10 mi24:35
7:55
-0:07
15K
1:15:548:093.11 mi26:21
8:29
+0:34
20K
1:44:298:243.11 mi28:35
9:12
+0:43
Half(13.11 mi)
1:50:358:260.68 mi6:06
8:56
-0:16
25K
2:13:538:372.42 mi23:18
9:37
+0:41
30K
2:45:368:533.11 mi31:43
10:13
+0:36
20M
2:59:278:581.36 mi13:51
10:12
-0:01
21M
3:10:209:041.00 mi10:53
10:53
+0:41
35K
3:18:199:070.75 mi7:59
10:40
-0:13
23M
3:30:189:091.25 mi11:59
9:34
-1:06
24M
3:39:459:091.00 mi9:27
9:27
-0:07
40K
3:48:119:110.85 mi8:26
9:52
+0:25
25.2M
3:51:399:120.35 mi3:28
10:03
+0:11
Finish(26.22 mi)
4:00:159:101.02 mi8:36
8:26
-1:37
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:55 /mi

Average Pace

9:10 /mi

Slowest Pace

10:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:30:36

38% of race

Time at Steady Pace

1:21:45

34% of race

Time at Slower Pace

1:07:54

28% of race

Average Pace: 9:10 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi14943491149111630557495749
10K6.21 mi3.10 mi14227+7164474+4374474+4371355140824082
15K9.32 mi3.11 mi14987-7604942-4684942-4681630557495749
20K12.43 mi3.11 mi15885-8985509-5675509-5671819468046804
Half13.11 mi0.68 mi16001-1165590-815590-811800767876787
25K15.53 mi2.42 mi16394-3935835-2455835-2451790167676767
30K18.64 mi3.11 mi16801-4076144-3096144-3091800170427042
20M20.00 mi1.36 mi16874-736222-786222-781710567666766
21M21.00 mi1.00 mi16833+416231-96231-91604363576357
35K21.75 mi0.75 mi16953-1206324-936324-931901778407840
23M23.00 mi1.25 mi16764+1896239+856239+851381953265326
24M24.00 mi1.00 mi16659+1056203+366203+361430255965596
40K24.85 mi0.85 mi16545+1146172+316172+311453357885788
25.2M25.20 mi0.35 mi16453+926138+346138+341123442274227
Finish26.22 mi1.02 mi16269+1846063+756063+751122140934093

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16305

Females

5749

F18-39

5749

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

13551

Females

4082

F18-39

4082

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16305

Females

5749

F18-39

5749

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18194

Females

6804

F18-39

6804

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18007

Females

6787

F18-39

6787

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

17901

Females

6767

F18-39

6767

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18001

Females

7042

F18-39

7042

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17105

Females

6766

F18-39

6766

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16043

Females

6357

F18-39

6357

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19017

Females

7840

F18-39

7840

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

13819

Females

5326

F18-39

5326

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14302

Females

5596

F18-39

5596

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

14533

Females

5788

F18-39

5788

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11234

Females

4227

F18-39

4227

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11221

Females

4093

F18-39

4093

Passing Analysis

Category:
Athletes Passed
2197
Passed By
3523
Net Change
-1326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14943
5K → 10K77862+716#14943#14227
10K → 15K68828-760#14227#14987
15K → 20K77975-898#14987#15885
20K → Half15131-116#15885#16001
Half → 25K109502-393#16001#16394
25K → 30K126533-407#16394#16801
30K → 20M93166-73#16801#16874
20M → 21M12079+41#16874#16833
21M → 35K44164-120#16833#16953
35K → 23M20920+189#16953#16764
23M → 24M12318+105#16764#16659
24M → 40K15339+114#16659#16545
40K → 25.2M942+92#16545#16453
25.2M → Finish1884+184#16453#16269
TOTALS21973523-1326

Passing Charts

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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