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BOSTON MARATHON 2024

Margaret Cheng

CA

Bib: 16931 F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 35%
Gender (Female)
#0 / 10924
Top 20%
Division (F18-39)
#0 / 4660
Top 35%
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
7:50/mi
24:21
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:43/mi
48:20
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:36/mi
1:11:56
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:03/mi
1:36:58
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:56/mi
1:42:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:56/mi
2:01:37
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:10/mi
2:27:00
↑ 181↓ 1480.2%
138 ft elev
20M
8:15/mi
2:38:13
↑ 64↓ 500.2%
148 ft elev
21M
8:38/mi
2:46:51
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:37/mi
2:52:33
↑ 17↓ 861.7%
156 ft elev
23M
7:52/mi
3:02:24
↑ 23↓ 630.6%
116 ft elev
24M
8:05/mi
3:10:29
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:55/mi
3:17:15
↓ 200.3%
20 ft elev
25.2M
9:28/mi
3:20:31
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:35/mi
3:28:15
↑ 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
1:42:237:49 /mi⚡ faster
2nd Half
1:45:528:05 /mi+3.4%
Positive split — 3.4% 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
24:217:503.11 mi24:21
7:50
-
10K
48:207:473.10 mi23:59
7:43
-0:07
15K
1:11:567:433.11 mi23:36
7:36
-0:07
20K
1:36:587:483.11 mi25:02
8:03
+0:27
Half(13.11 mi)
1:42:237:490.68 mi5:25
7:56
-0:07
25K
2:01:377:502.42 mi19:14
7:56
0:00
30K
2:27:007:533.11 mi25:23
8:10
+0:14
20M
2:38:137:551.36 mi11:13
8:15
+0:05
21M
2:46:517:571.00 mi8:38
8:38
+0:23
35K
2:52:337:560.75 mi5:42
7:37
-1:01
23M
3:02:247:561.25 mi9:51
7:52
+0:15
24M
3:10:297:561.00 mi8:05
8:05
+0:13
40K
3:17:157:560.85 mi6:46
7:55
-0:10
25.2M
3:20:317:570.35 mi3:16
9:28
+1:33
Finish(26.22 mi)
3:28:157:571.02 mi7:44
7:35
-1:53
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:35 /mi

Average Pace

7:57 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

37:02

18% of race

Time at Steady Pace

2:02:43

59% of race

Time at Slower Pace

48:30

23% of race

Average Pace: 7:57 /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

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi13395393739371039923762376
10K3.10 mi12704+6913562+3753562+3751202532043204
15K3.11 mi11890+8143144+4183144+4181039923762376
20K3.11 mi11920-303171-273171-271222334353435
Half(13.11 mi)0.68 mi11938-183186-153186-151231634713471
25K2.42 mi11490+4482975+2112975+211976623672367
30K3.11 mi10840+6502743+2322743+232884821362136
20M1.36 mi10569+2712662+812662+81813920482048
21M1.00 mi10249+3202554+1082554+108686416551655
35K0.75 mi10036+2132490+642490+64572912011201
23M1.25 mi9631+4052348+1422348+142514710791079
24M1.00 mi9473+1582314+342314+34712620622062
40K0.85 mi9262+2112255+592255+59542013971397
25.2M0.35 mi9232+302260-52260-5864529692969
Finish(26.22 mi)1.02 mi9048+1842220+402220+40613317191719

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10399

Females

2376

F18-39

2376

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12025

Females

3204

F18-39

3204

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10399

Females

2376

F18-39

2376

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12223

Females

3435

F18-39

3435

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12316

Females

3471

F18-39

3471

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

9766

Females

2367

F18-39

2367

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

8848

Females

2136

F18-39

2136

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8139

Females

2048

F18-39

2048

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

6864

Females

1655

F18-39

1655

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5729

Females

1201

F18-39

1201

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5147

Females

1079

F18-39

1079

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7126

Females

2062

F18-39

2062

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5420

Females

1397

F18-39

1397

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8645

Females

2969

F18-39

2969

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6133

Females

1719

F18-39

1719

Passing Analysis

Category:
Passed
4880*
Passed By
533
Net Change
+4347
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13395
5K → 10K75261+691#13395#12704
10K → 15K82713+814#12704#11890
15K → 20K218248-30#11890#11920
20K → Half3553-18#11920#11938
Half → 25K47022+448#11938#11490
25K → 30K68131+650#11490#10840
30K → 20M29524+271#10840#10569
20M → 21M3299+320#10569#10249
21M → 35K2163+213#10249#10036
35K → 23M410*5+405#10036#9631
23M → 24M183*25+158#9631#9473
24M → 40K2143+211#9473#9262
40K → 25.2M5323+30#9262#9232
25.2M → Finish19713+184#9232#9048
TOTALS4880*533+4347

* Includes athletes who did not complete a segment (DNF/DNQ).

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