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BOSTON MARATHON 2024

Danxing Chen

Bib: 21026•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:38
Rank: #16366
Start → 5K
25:38 | 8:15/mi
10K· 6.21 mi
51:45
Rank: #16503 (-137)
5K → 10K
26:07 | 8:24/mi
15K· 9.32 mi
1:18:25
Rank: #16582 (-79)
10K → 15K
26:40 | 8:35/mi
20K· 12.43 mi
1:46:15
Rank: #16712 (-130)
15K → 20K
27:50 | 8:58/mi
Half· 13.11 mi
1:52:17
Rank: #16757 (-45)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:14:35
Rank: #16652 (+105)
Half → 25K
22:18 | 9:12/mi
30K· 18.64 mi
2:48:29
Rank: #17532 (-880)
25K → 30K
33:54 | 10:55/mi
20M
3:01:54
Rank: #17431 (+101)
30K → 20M
13:25 | 9:52/mi
21M
3:12:31
Rank: #17304 (+127)
20M → 21M
10:37 | 10:37/mi
35K· 21.75 mi
3:20:33
Rank: #17410 (-106)
21M → 35K
8:02 | 10:44/mi
23M
3:33:26
Rank: #17351 (+59)
35K → 23M
12:53 | 10:17/mi
24M
3:44:00
Rank: #17407 (-56)
23M → 24M
10:34 | 10:34/mi
40K· 24.85 mi
3:54:24
Rank: #17568 (-161)
24M → 40K
10:24 | 12:10/mi
25.2M
3:59:53
Rank: #17732 (-164)
40K → 25.2M
5:29 | 15:54/mi
Finish· 26.22 mi
4:09:57
Rank: #17701 (+31)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:17
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:17:40
Pace10:30 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5825:388:1525:38
8:15
-
10K
6.21 mi11:48:0551:458:2026:07
8:24
+0:09
15K
9.32 mi12:14:451:18:258:2526:40
8:35
+0:11
20K
12.43 mi12:42:351:46:158:3327:50
8:58
+0:23
Half
13.11 mi12:48:371:52:178:346:02
8:51
-0:07
25K
15.53 mi13:10:552:14:358:4022:18
9:12
+0:21
30K
18.64 mi13:44:492:48:299:0233:54
10:55
+1:43
20M
20.00 mi13:58:143:01:549:0613:25
9:52
-1:03
21M
21.00 mi14:08:513:12:319:1010:37
10:37
+0:45
35K
21.75 mi14:16:533:20:339:138:02
10:44
+0:07
23M
23.00 mi14:29:463:33:269:1712:53
10:17
-0:27
24M
24.00 mi14:40:203:44:009:2010:34
10:34
+0:17
40K
24.85 mi14:50:443:54:249:2610:24
12:10
+1:36
25.2M
25.20 mi14:56:133:59:539:315:29
15:54
+3:44
Finish
26.22 mi15:06:174:09:579:3210:04
9:53
-6:01

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

8:15 /mi

Average Pace

9:32 /mi

Slowest Pace

15:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:27

34% of race

Time at Steady Pace

1:55:43

46% of race

Time at Slower Pace

49:47

20% of race

Average Pace: 9:32 /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 mi11:21:5825:388:1525:38
8:15
#16366
10K
6.21 mi11:48:0551:458:2026:07
8:24
#16503
15K
9.32 mi12:14:451:18:258:2526:40
8:35
#16582
20K
12.43 mi12:42:351:46:158:3327:50
8:58
#16712
Half
13.11 mi12:48:371:52:178:346:02
8:51
#16757
25K
15.53 mi13:10:552:14:358:4022:18
9:12
#16652
30K
18.64 mi13:44:492:48:299:0233:54
10:55
#17532
20M
20.00 mi13:58:143:01:549:0613:25
9:52
#17431
21M
21.00 mi14:08:513:12:319:1010:37
10:37
#17304
35K
21.75 mi14:16:533:20:339:138:02
10:44
#17410
23M
23.00 mi14:29:463:33:269:1712:53
10:17
#17351
24M
24.00 mi14:40:203:44:009:2010:34
10:34
#17407
40K
24.85 mi14:50:443:54:249:2610:24
12:10
#17568
25.2M
25.20 mi14:56:133:59:539:315:29
15:54
#17732
Finish
26.22 mi15:06:174:09:579:3210:04
9:53
#17701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi163665786578616882(Top 66%)6076(Top 56%)6076(Top 512%)
10K6.21 mi3.10 mi16503-1375865-795865-7916741(Top 66%)5982(Top 55%)5982(Top 504%)
15K9.32 mi3.11 mi16582-795900-355900-3516882(Top 66%)6076(Top 56%)6076(Top 512%)
20K12.43 mi3.11 mi16712-1305998-985998-9817181(Top 67%)6260(Top 57%)6260(Top 527%)
Half13.11 mi0.68 mi16757-456027-296027-2917576(Top 69%)6563(Top 60%)6563(Top 553%)
25K15.53 mi2.42 mi16652+1055996+315996+3116411(Top 64%)5948(Top 54%)5948(Top 501%)
30K18.64 mi3.11 mi17532-8806549-5536549-55319778(Top 77%)7995(Top 73%)7995(Top 674%)
20M20.00 mi1.36 mi17431+1016533+166533+1616054(Top 63%)6235(Top 57%)6235(Top 525%)
21M21.00 mi1.00 mi17304+1276499+346499+3415221(Top 60%)5929(Top 54%)5929(Top 499%)
35K21.75 mi0.75 mi17410-1066572-736572-7319194(Top 75%)7921(Top 73%)7921(Top 667%)
23M23.00 mi1.25 mi17351+596567+56567+516410(Top 64%)6605(Top 60%)6605(Top 556%)
24M24.00 mi1.00 mi17407-566622-556622-5518061(Top 71%)7491(Top 69%)7491(Top 631%)
40K24.85 mi0.85 mi17568-1616745-1236745-12320769(Top 81%)8885(Top 81%)8885(Top 749%)
25.2M25.20 mi0.35 mi17732-1646848-1036848-10323974(Top 94%)10355(Top 95%)10355(Top 872%)
Finish26.22 mi1.02 mi17701+316854-66854-617993(Top 70%)7497(Top 69%)7497(Top 632%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

16882

Females

6076

F50-54

6076

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

16741

Females

5982

F50-54

5982

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

16882

Females

6076

F50-54

6076

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17181

Females

6260

F50-54

6260

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

17576

Females

6563

F50-54

6563

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16411

Females

5948

F50-54

5948

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

19778

Females

7995

F50-54

7995

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16054

Females

6235

F50-54

6235

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15221

Females

5929

F50-54

5929

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19194

Females

7921

F50-54

7921

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16410

Females

6605

F50-54

6605

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18061

Females

7491

F50-54

7491

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

20769

Females

8885

F50-54

8885

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

23974

Females

10355

F50-54

10355

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

17993

Females

7497

F50-54

7497

Passing Analysis

Category:
Athletes Passed
1716
Passed By
3051
Net Change
-1335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16366
5K → 10K223360-137#16366#16503
10K → 15K214293-79#16503#16582
15K → 20K218348-130#16582#16712
20K → Half3378-45#16712#16757
Half → 25K267162+105#16757#16652
25K → 30K74954-880#16652#17532
30K → 20M15857+101#17532#17431
20M → 21M17144+127#17431#17304
21M → 35K43149-106#17304#17410
35K → 23M13475+59#17410#17351
23M → 24M55111-56#17351#17407
24M → 40K36197-161#17407#17568
40K → 25.2M7171-164#17568#17732
25.2M → Finish8352+31#17732#17701
TOTALS17163051-1335
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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