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BOSTON MARATHON 2024

Kelsey Nguyen

Bib: 10216•F

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Overall
#0 / 25550
Top 21%
Gender (Female)
#0 / 10924
Top 7%
Division (F18-39)
#0 / 4660
Top 13%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:21
Rank: #6220
Start → 5K
6:52/mi
21:21 split
10K· 6.21 mi
42:37
Rank: #5852 (+368)
5K → 10K
6:51/mi
21:16 split
15K· 9.32 mi
1:03:52
Rank: #5598 (+254)
10K → 15K
6:51/mi
21:16 split
20K· 12.43 mi
1:25:07
Rank: #5180 (+418)
15K → 20K
6:50/mi
21:15 split
Half· 13.11 mi
1:29:42
Rank: #5108 (+72)
20K → Half
6:43/mi
4:35 split
25K· 15.53 mi
1:46:35
Rank: #4838 (+270)
Half → 25K
6:58/mi
16:53 split
30K· 18.64 mi
2:09:08
Rank: #4589 (+249)
25K → 30K
7:15/mi
22:33 split
20M
2:19:48
Rank: #4634 (-45)
30K → 20M
7:51/mi
10:40 split
21M
2:28:30
Rank: #4714 (-80)
20M → 21M
8:42/mi
8:42 split
35K· 21.75 mi
2:34:33
Rank: #4771 (-57)
21M → 35K
8:05/mi
6:03 split
23M
2:45:39
Rank: #4974 (-203)
35K → 23M
8:52/mi
11:06 split
24M
2:54:32
Rank: #5170 (-196)
23M → 24M
8:53/mi
8:53 split
40K· 24.85 mi
3:02:01
Rank: #5258 (-88)
24M → 40K
8:45/mi
7:29 split
25.2M
3:05:21
Rank: #5290 (-32)
40K → 25.2M
9:40/mi
3:20 split
Finish· 26.22 mi
3:13:26
Rank: #5328 (-38)
25.2M → Finish
7:56/mi
8:05 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:42
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:43:44
Pace7:55 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5421:216:5221:21
6:52
-
10K
6.21 mi11:09:1042:376:5121:16
6:51
-0:01
15K
9.32 mi11:30:251:03:526:5121:16
6:51
0:00
20K
12.43 mi11:51:401:25:076:5121:15
6:50
-0:01
Half
13.11 mi11:56:151:29:426:514:35
6:43
-0:07
25K
15.53 mi12:13:081:46:356:5216:53
6:58
+0:15
30K
18.64 mi12:35:412:09:086:5622:33
7:15
+0:17
20M
20.00 mi12:46:212:19:486:5910:40
7:51
+0:36
21M
21.00 mi12:55:032:28:307:048:42
8:42
+0:51
35K
21.75 mi13:01:062:34:337:066:03
8:05
-0:37
23M
23.00 mi13:12:122:45:397:1211:06
8:52
+0:47
24M
24.00 mi13:21:052:54:327:168:53
8:53
+0:01
40K
24.85 mi13:28:343:02:017:197:29
8:45
-0:08
25.2M
25.20 mi13:31:543:05:217:213:20
9:40
+0:55
Finish
26.22 mi13:39:593:13:267:238:05
7:56
-1:44

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

6:43 /mi

Average Pace

7:23 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:08

67% of race

Time at Steady Pace

24:48

13% of race

Time at Slower Pace

39:30

20% of race

Average Pace: 7:23 /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 mi10:47:5421:216:5221:21
6:52
#6220
10K
6.21 mi11:09:1042:376:5121:16
6:51
#5852
15K
9.32 mi11:30:251:03:526:5121:16
6:51
#5598
20K
12.43 mi11:51:401:25:076:5121:15
6:50
#5180
Half
13.11 mi11:56:151:29:426:514:35
6:43
#5108
25K
15.53 mi12:13:081:46:356:5216:53
6:58
#4838
30K
18.64 mi12:35:412:09:086:5622:33
7:15
#4589
20M
20.00 mi12:46:212:19:486:5910:40
7:51
#4634
21M
21.00 mi12:55:032:28:307:048:42
8:42
#4714
35K
21.75 mi13:01:062:34:337:066:03
8:05
#4771
23M
23.00 mi13:12:122:45:397:1211:06
8:52
#4974
24M
24.00 mi13:21:052:54:327:168:53
8:53
#5170
40K
24.85 mi13:28:343:02:017:197:29
8:45
#5258
25.2M
25.20 mi13:31:543:05:217:213:20
9:40
#5290
Finish
26.22 mi13:39:593:13:267:238:05
7:56
#5328
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi62205965965129(Top 20%)415(Top 4%)415(Top 9%)
10K6.21 mi3.10 mi5852+368520+76520+765546(Top 22%)468(Top 4%)468(Top 10%)
15K9.32 mi3.11 mi5598+254467+53467+535129(Top 20%)415(Top 4%)415(Top 9%)
20K12.43 mi3.11 mi5180+418396+71396+714195(Top 16%)288(Top 3%)288(Top 6%)
Half13.11 mi0.68 mi5108+72383+13383+134000(Top 16%)266(Top 2%)266(Top 6%)
25K15.53 mi2.42 mi4838+270364+19364+194194(Top 16%)333(Top 3%)333(Top 7%)
30K18.64 mi3.11 mi4589+249352+12352+124035(Top 16%)381(Top 3%)381(Top 8%)
20M20.00 mi1.36 mi4634-45379-27379-275971(Top 23%)1112(Top 10%)1112(Top 24%)
21M21.00 mi1.00 mi4714-80411-32411-327143(Top 28%)1770(Top 16%)1770(Top 38%)
35K21.75 mi0.75 mi4771-57435-24435-248332(Top 33%)2368(Top 22%)2368(Top 51%)
23M23.00 mi1.25 mi4974-203523-88523-8810469(Top 41%)3634(Top 33%)3634(Top 78%)
24M24.00 mi1.00 mi5170-196601-78601-7811564(Top 45%)4188(Top 38%)4188(Top 90%)
40K24.85 mi0.85 mi5258-88654-53654-539643(Top 38%)3382(Top 31%)3382(Top 73%)
25.2M25.20 mi0.35 mi5290-32678-24678-249446(Top 37%)3349(Top 31%)3349(Top 72%)
Finish26.22 mi1.02 mi5328-38719-41719-418137(Top 32%)2643(Top 24%)2643(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5129

Females

415

F18-39

415

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5546

Females

468

F18-39

468

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5129

Females

415

F18-39

415

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4195

Females

288

F18-39

288

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4000

Females

266

F18-39

266

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4194

Females

333

F18-39

333

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4035

Females

381

F18-39

381

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

5971

Females

1112

F18-39

1112

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7143

Females

1770

F18-39

1770

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8332

Females

2368

F18-39

2368

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10469

Females

3634

F18-39

3634

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11564

Females

4188

F18-39

4188

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

9643

Females

3382

F18-39

3382

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9446

Females

3349

F18-39

3349

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8137

Females

2643

F18-39

2643

Passing Analysis

Category:
Athletes Passed
2222
Passed By
1330
Net Change
+892
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6220
5K → 10K41042+368#6220#5852
10K → 15K29137+254#5852#5598
15K → 20K4257+418#5598#5180
20K → Half753+72#5180#5108
Half → 25K30939+270#5108#4838
25K → 30K31566+249#4838#4589
30K → 20M82127-45#4589#4634
20M → 21M60140-80#4634#4714
21M → 35K3491-57#4714#4771
35K → 23M44247-203#4771#4974
23M → 24M28224-196#4974#5170
24M → 40K57145-88#5170#5258
40K → 25.2M2860-32#5258#5290
25.2M → Finish64102-38#5290#5328
TOTALS22221330+892
📊

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