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BOSTON MARATHON 2024

Stephanie Bian

Bib: 13918•F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Division (F18-39)
#0 / 4660
Top 38%
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
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
47:20
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:11:25
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:36:21
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:41:49
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:01:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:35/mi
2:28:17
↑ 181↓ 1480.2%
20M
8:30/mi
2:39:50
↑ 64↓ 500.2%
21M
9:06/mi
2:48:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:55:05
↑ 17↓ 861.7%
23M
8:01/mi
3:05:07
↑ 23↓ 630.6%
24M
7:58/mi
3:13:05
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:19:46
↓ 200.3%
25.2M
8:27/mi
3:22:41
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:30:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:49
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:48:38
Pace8:17 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4823:307:3423:30
7:34
-
10K
6.21 mi11:17:3847:207:3723:50
7:40
+0:06
15K
9.32 mi11:41:431:11:257:4024:05
7:45
+0:05
20K
12.43 mi12:06:391:36:217:4524:56
8:02
+0:17
Half
13.11 mi12:12:071:41:497:465:28
8:01
-0:01
25K
15.53 mi12:31:562:01:387:5019:49
8:10
+0:09
30K
18.64 mi12:58:352:28:177:5726:39
8:35
+0:25
20M
20.00 mi13:10:082:39:507:5911:33
8:30
-0:05
21M
21.00 mi13:19:142:48:568:039:06
9:06
+0:36
35K
21.75 mi13:25:232:55:058:036:09
8:13
-0:53
23M
23.00 mi13:35:253:05:078:0310:02
8:01
-0:12
24M
24.00 mi13:43:233:13:058:037:58
7:58
-0:03
40K
24.85 mi13:50:043:19:468:026:41
7:49
-0:09
25.2M
25.20 mi13:52:593:22:418:032:55
8:27
+0:38
Finish
26.22 mi14:00:453:30:278:027:46
7:37
-0:50

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

7:34 /mi

Average Pace

8:02 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:11

38% of race

Time at Steady Pace

1:21:03

39% of race

Time at Slower Pace

50:13

24% of race

Average Pace: 8:02 /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 mi10:53:4823:307:3423:30
7:34
#11291
10K
6.21 mi11:17:3847:207:3723:50
7:40
#11395
15K
9.32 mi11:41:431:11:257:4024:05
7:45
#11433
20K
12.43 mi12:06:391:36:217:4524:56
8:02
#11544
Half
13.11 mi12:12:071:41:497:465:28
8:01
#11607
25K
15.53 mi12:31:562:01:387:5019:49
8:10
#11499
30K
18.64 mi12:58:352:28:177:5726:39
8:35
#11331
20M
20.00 mi13:10:082:39:507:5911:33
8:30
#11113
21M
21.00 mi13:19:142:48:568:039:06
9:06
#10903
35K
21.75 mi13:25:232:55:058:036:09
8:13
#10805
23M
23.00 mi13:35:253:05:078:0310:02
8:01
#10420
24M
24.00 mi13:43:233:13:058:037:58
7:58
#10199
40K
24.85 mi13:50:043:19:468:026:41
7:49
#9968
25.2M
25.20 mi13:52:593:22:418:032:55
8:27
#9841
Finish
26.22 mi14:00:453:30:278:027:46
7:37
#9679
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112912723272311573(Top 45%)3001(Top 27%)3001(Top 64%)
10K6.21 mi3.10 mi11395-1042818-952818-9511658(Top 46%)3006(Top 28%)3006(Top 65%)
15K9.32 mi3.11 mi11433-382881-632881-6311573(Top 45%)3001(Top 27%)3001(Top 64%)
20K12.43 mi3.11 mi11544-1112964-832964-8312009(Top 47%)3322(Top 30%)3322(Top 71%)
Half13.11 mi0.68 mi11607-633005-413005-4112849(Top 50%)3778(Top 35%)3778(Top 81%)
25K15.53 mi2.42 mi11499+1082981+242981+2411208(Top 44%)3069(Top 28%)3069(Top 66%)
30K18.64 mi3.11 mi11331+1683005-243005-2411053(Top 43%)3212(Top 29%)3212(Top 69%)
20M20.00 mi1.36 mi11113+2182944+612944+619452(Top 37%)2675(Top 24%)2675(Top 57%)
21M21.00 mi1.00 mi10903+2102888+562888+569046(Top 35%)2717(Top 25%)2717(Top 58%)
35K21.75 mi0.75 mi10805+982871+172871+179114(Top 36%)2774(Top 25%)2774(Top 60%)
23M23.00 mi1.25 mi10420+3852739+1322739+1325842(Top 23%)1395(Top 13%)1395(Top 30%)
24M24.00 mi1.00 mi10199+2212669+702669+706498(Top 25%)1769(Top 16%)1769(Top 38%)
40K24.85 mi0.85 mi9968+2312591+782591+784899(Top 19%)1158(Top 11%)1158(Top 25%)
25.2M25.20 mi0.35 mi9841+1272549+422549+424360(Top 17%)988(Top 9%)988(Top 21%)
Finish26.22 mi1.02 mi9679+1622502+472502+476310(Top 25%)1804(Top 17%)1804(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11573

Females

3001

F18-39

3001

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

11658

Females

3006

F18-39

3006

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11573

Females

3001

F18-39

3001

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12009

Females

3322

F18-39

3322

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

12849

Females

3778

F18-39

3778

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11208

Females

3069

F18-39

3069

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11053

Females

3212

F18-39

3212

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9452

Females

2675

F18-39

2675

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9046

Females

2717

F18-39

2717

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9114

Females

2774

F18-39

2774

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

5842

Females

1395

F18-39

1395

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6498

Females

1769

F18-39

1769

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

4899

Females

1158

F18-39

1158

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4360

Females

988

F18-39

988

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6310

Females

1804

F18-39

1804

Passing Analysis

Category:
Athletes Passed
3088*
Passed By
1476
Net Change
+1612
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11291
5K → 10K239343-104#11291#11395
10K → 15K199237-38#11395#11433
15K → 20K199310-111#11433#11544
20K → Half2386-63#11544#11607
Half → 25K255147+108#11607#11499
25K → 30K368200+168#11499#11331
30K → 20M27153+218#11331#11113
20M → 21M25646+210#11113#10903
21M → 35K12527+98#10903#10805
35K → 23M3883+385#10805#10420
23M → 24M2287+221#10420#10199
24M → 40K235*4+231#10199#9968
40K → 25.2M1292+127#9968#9841
25.2M → Finish17311+162#9841#9679
TOTALS3088*1476+1612

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

📊

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