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BOSTON MARATHON 2024

Cong Chen

Bib: 16883•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Masters (Masters Women)
#0 / 6263
Top 11%
Division (F40-44)
#0 / 1613
Top 24%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:51
Rank: #9616
Start → 5K
22:51 | 7:21/mi
10K· 6.21 mi
46:43
Rank: #10639 (-1023)
5K → 10K
23:52 | 7:41/mi
15K· 9.32 mi
1:11:03
Rank: #11148 (-509)
10K → 15K
24:20 | 7:50/mi
20K· 12.43 mi
1:36:10
Rank: #11450 (-302)
15K → 20K
25:07 | 8:05/mi
Half· 13.11 mi
1:41:28
Rank: #11417 (+33)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:01:18
Rank: #11341 (+76)
Half → 25K
19:50 | 8:11/mi
30K· 18.64 mi
2:27:12
Rank: #10920 (+421)
25K → 30K
25:54 | 8:20/mi
20M
2:38:40
Rank: #10716 (+204)
30K → 20M
11:28 | 8:26/mi
21M
2:47:55
Rank: #10591 (+125)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
2:53:51
Rank: #10440 (+151)
21M → 35K
5:56 | 7:56/mi
23M
3:04:20
Rank: #10216 (+224)
35K → 23M
10:29 | 8:22/mi
24M
3:12:28
Rank: #10050 (+166)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:19:31
Rank: #9909 (+141)
24M → 40K
7:03 | 8:15/mi
25.2M
3:22:34
Rank: #9812 (+97)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:30:24
Rank: #9671 (+141)
25.2M → Finish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:28
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:48:56
Pace8:19 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0222:517:2122:51
7:21
-
10K
6.21 mi11:36:5446:437:3123:52
7:41
+0:20
15K
9.32 mi12:01:141:11:037:3724:20
7:50
+0:09
20K
12.43 mi12:26:211:36:107:4425:07
8:05
+0:15
Half
13.11 mi12:31:391:41:287:445:18
7:46
-0:19
25K
15.53 mi12:51:292:01:187:4919:50
8:11
+0:25
30K
18.64 mi13:17:232:27:127:5425:54
8:20
+0:09
20M
20.00 mi13:28:512:38:407:5611:28
8:26
+0:06
21M
21.00 mi13:38:062:47:558:009:15
9:15
+0:49
35K
21.75 mi13:44:022:53:518:005:56
7:56
-1:19
23M
23.00 mi13:54:313:04:208:0110:29
8:22
+0:26
24M
24.00 mi14:02:393:12:288:018:08
8:08
-0:14
40K
24.85 mi14:09:423:19:318:027:03
8:15
+0:07
25.2M
25.20 mi14:12:453:22:348:023:03
8:51
+0:36
Finish
26.22 mi14:20:353:30:248:027:50
7:41
-1:10

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

7:21 /mi

Average Pace

8:02 /mi

Slowest Pace

9:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:11

40% of race

Time at Steady Pace

1:31:58

44% of race

Time at Slower Pace

34:15

16% of race

Average Pace: 8:01 /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 mi11:13:0222:517:2122:51
7:21
#9616
10K
6.21 mi11:36:5446:437:3123:52
7:41
#10639
15K
9.32 mi12:01:141:11:037:3724:20
7:50
#11148
20K
12.43 mi12:26:211:36:107:4425:07
8:05
#11450
Half
13.11 mi12:31:391:41:287:445:18
7:46
#11417
25K
15.53 mi12:51:292:01:187:4919:50
8:11
#11341
30K
18.64 mi13:17:232:27:127:5425:54
8:20
#10920
20M
20.00 mi13:28:512:38:407:5611:28
8:26
#10716
21M
21.00 mi13:38:062:47:558:009:15
9:15
#10591
35K
21.75 mi13:44:022:53:518:005:56
7:56
#10440
23M
23.00 mi13:54:313:04:208:0110:29
8:22
#10216
24M
24.00 mi14:02:393:12:288:018:08
8:08
#10050
40K
24.85 mi14:09:423:19:318:027:03
8:15
#9909
25.2M
25.20 mi14:12:453:22:348:023:03
8:51
#9812
Finish
26.22 mi14:20:353:30:248:027:50
7:41
#9671
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi96161853185312202(Top 48%)3358(Top 31%)3358(Top 208%)
10K6.21 mi3.10 mi10639-10232403-5502403-55011737(Top 46%)3049(Top 28%)3049(Top 189%)
15K9.32 mi3.11 mi11148-5092718-3152718-31512202(Top 48%)3358(Top 31%)3358(Top 208%)
20K12.43 mi3.11 mi11450-3022912-1942912-19412425(Top 49%)3538(Top 32%)3538(Top 219%)
Half13.11 mi0.68 mi11417+332900+122900+1211125(Top 44%)2865(Top 26%)2865(Top 178%)
25K15.53 mi2.42 mi11341+762905-52905-511245(Top 44%)3090(Top 28%)3090(Top 192%)
30K18.64 mi3.11 mi10920+4212787+1182787+1189752(Top 38%)2581(Top 24%)2581(Top 160%)
20M20.00 mi1.36 mi10716+2042739+482739+489125(Top 36%)2515(Top 23%)2515(Top 156%)
21M21.00 mi1.00 mi10591+1252735+42735+49722(Top 38%)3067(Top 28%)3067(Top 190%)
35K21.75 mi0.75 mi10440+1512687+482687+487414(Top 29%)1962(Top 18%)1962(Top 122%)
23M23.00 mi1.25 mi10216+2242632+552632+557778(Top 30%)2286(Top 21%)2286(Top 142%)
24M24.00 mi1.00 mi10050+1662595+372595+377408(Top 29%)2203(Top 20%)2203(Top 137%)
40K24.85 mi0.85 mi9909+1412566+292566+297067(Top 28%)2159(Top 20%)2159(Top 134%)
25.2M25.20 mi0.35 mi9812+972533+332533+335914(Top 23%)1689(Top 15%)1689(Top 105%)
Finish26.22 mi1.02 mi9671+1412498+352498+356691(Top 26%)1974(Top 18%)1974(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12202

Females

3358

F40-44

3358

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

11737

Females

3049

F40-44

3049

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12202

Females

3358

F40-44

3358

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12425

Females

3538

F40-44

3538

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11125

Females

2865

F40-44

2865

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11245

Females

3090

F40-44

3090

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

9752

Females

2581

F40-44

2581

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9125

Females

2515

F40-44

2515

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

9722

Females

3067

F40-44

3067

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7414

Females

1962

F40-44

1962

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7778

Females

2286

F40-44

2286

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7408

Females

2203

F40-44

2203

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7067

Females

2159

F40-44

2159

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5914

Females

1689

F40-44

1689

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6691

Females

1974

F40-44

1974

Passing Analysis

Category:
Athletes Passed
2534*
Passed By
2587
Net Change
-55
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9616
5K → 10K441065-1023#9616#10639
10K → 15K91600-509#10639#11148
15K → 20K139441-302#11148#11450
20K → Half5724+33#11450#11417
Half → 25K239163+76#11417#11341
25K → 30K522101+421#11341#10920
30K → 20M24844+204#10920#10716
20M → 21M18661+125#10716#10591
21M → 35K1598+151#10591#10440
35K → 23M24723+224#10440#10216
23M → 24M18317+166#10216#10050
24M → 40K163*22+141#10050#9909
40K → 25.2M1003+97#9909#9812
25.2M → Finish15615+141#9812#9671
TOTALS2534*2587-55

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

📊

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