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BOSTON MARATHON 2024

Xin Ren

Bib: 13587•F

BC

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 35%
Gender (Female)
#0 / 10924
Top 19%
Division (F18-39)
#0 / 4660
Top 34%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:13
Rank: #10534
Start → 5K
23:13 | 7:28/mi
10K· 6.21 mi
46:48
Rank: #10750 (-216)
5K → 10K
23:35 | 7:35/mi
15K· 9.32 mi
1:10:33
Rank: #10724 (+26)
10K → 15K
23:45 | 7:39/mi
20K· 12.43 mi
1:34:47
Rank: #10598 (+126)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:40:01
Rank: #10571 (+27)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
1:59:21
Rank: #10414 (+157)
Half → 25K
19:20 | 7:58/mi
30K· 18.64 mi
2:25:04
Rank: #10122 (+292)
25K → 30K
25:43 | 8:17/mi
20M
2:36:20
Rank: #9911 (+211)
30K → 20M
11:16 | 8:17/mi
21M
2:45:29
Rank: #9808 (+103)
20M → 21M
9:09 | 9:09/mi
35K· 21.75 mi
2:51:31
Rank: #9714 (+94)
21M → 35K
6:02 | 8:04/mi
23M
3:01:53
Rank: #9462 (+252)
35K → 23M
10:22 | 8:17/mi
24M
3:09:44
Rank: #9250 (+212)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:16:34
Rank: #9053 (+197)
24M → 40K
6:50 | 8:00/mi
25.2M
3:19:45
Rank: #9009 (+44)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:27:34
Rank: #8859 (+150)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:01
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:47:33
Pace8:12 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3223:137:2823:13
7:28
-
10K
6.21 mi11:17:0746:487:3223:35
7:35
+0:07
15K
9.32 mi11:40:521:10:337:3423:45
7:39
+0:04
20K
12.43 mi12:05:061:34:477:3824:14
7:48
+0:09
Half
13.11 mi12:10:201:40:017:385:14
7:40
-0:08
25K
15.53 mi12:29:401:59:217:4119:20
7:58
+0:18
30K
18.64 mi12:55:232:25:047:4725:43
8:17
+0:19
20M
20.00 mi13:06:392:36:207:4911:16
8:17
0:00
21M
21.00 mi13:15:482:45:297:539:09
9:09
+0:52
35K
21.75 mi13:21:502:51:317:536:02
8:04
-1:05
23M
23.00 mi13:32:123:01:537:5410:22
8:17
+0:13
24M
24.00 mi13:40:033:09:447:547:51
7:51
-0:26
40K
24.85 mi13:46:533:16:347:556:50
8:00
+0:09
25.2M
25.20 mi13:50:043:19:457:563:11
9:14
+1:14
Finish
26.22 mi13:57:533:27:347:557:49
7:40
-1:34

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

7:28 /mi

Average Pace

7:55 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:36

40% of race

Time at Steady Pace

1:04:17

31% of race

Time at Slower Pace

59:41

29% of race

Average Pace: 7:55 /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 mi10:53:3223:137:2823:13
7:28
#10534
10K
6.21 mi11:17:0746:487:3223:35
7:35
#10750
15K
9.32 mi11:40:521:10:337:3423:45
7:39
#10724
20K
12.43 mi12:05:061:34:477:3824:14
7:48
#10598
Half
13.11 mi12:10:201:40:017:385:14
7:40
#10571
25K
15.53 mi12:29:401:59:217:4119:20
7:58
#10414
30K
18.64 mi12:55:232:25:047:4725:43
8:17
#10122
20M
20.00 mi13:06:392:36:207:4911:16
8:17
#9911
21M
21.00 mi13:15:482:45:297:539:09
9:09
#9808
35K
21.75 mi13:21:502:51:317:536:02
8:04
#9714
23M
23.00 mi13:32:123:01:537:5410:22
8:17
#9462
24M
24.00 mi13:40:033:09:447:547:51
7:51
#9250
40K
24.85 mi13:46:533:16:347:556:50
8:00
#9053
25.2M
25.20 mi13:50:043:19:457:563:11
9:14
#9009
Finish
26.22 mi13:57:533:27:347:557:49
7:40
#8859
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi105342302230210780(Top 42%)2569(Top 24%)2569(Top 55%)
10K6.21 mi3.10 mi10750-2162474-1722474-17210998(Top 43%)2638(Top 24%)2638(Top 57%)
15K9.32 mi3.11 mi10724+262478-42478-410780(Top 42%)2569(Top 24%)2569(Top 55%)
20K12.43 mi3.11 mi10598+1262445+332445+3310440(Top 41%)2545(Top 23%)2545(Top 55%)
Half13.11 mi0.68 mi10571+272443+22443+210408(Top 41%)2498(Top 23%)2498(Top 54%)
25K15.53 mi2.42 mi10414+1572422+212422+2110035(Top 39%)2495(Top 23%)2495(Top 54%)
30K18.64 mi3.11 mi10122+2922381+412381+419448(Top 37%)2431(Top 22%)2431(Top 52%)
20M20.00 mi1.36 mi9911+2112328+532328+538346(Top 33%)2155(Top 20%)2155(Top 46%)
21M21.00 mi1.00 mi9808+1032331-32331-39278(Top 36%)2827(Top 26%)2827(Top 61%)
35K21.75 mi0.75 mi9714+942324+72324+78202(Top 32%)2316(Top 21%)2316(Top 50%)
23M23.00 mi1.25 mi9462+2522267+572267+577239(Top 28%)2021(Top 19%)2021(Top 43%)
24M24.00 mi1.00 mi9250+2122208+592208+595867(Top 23%)1469(Top 13%)1469(Top 32%)
40K24.85 mi0.85 mi9053+1972157+512157+515794(Top 23%)1574(Top 14%)1574(Top 34%)
25.2M25.20 mi0.35 mi9009+442155+22155+27646(Top 30%)2485(Top 23%)2485(Top 53%)
Finish26.22 mi1.02 mi8859+1502117+382117+386585(Top 26%)1929(Top 18%)1929(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

10780

Females

2569

F18-39

2569

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

10998

Females

2638

F18-39

2638

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

10780

Females

2569

F18-39

2569

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10440

Females

2545

F18-39

2545

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10408

Females

2498

F18-39

2498

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10035

Females

2495

F18-39

2495

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9448

Females

2431

F18-39

2431

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8346

Females

2155

F18-39

2155

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9278

Females

2827

F18-39

2827

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8202

Females

2316

F18-39

2316

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7239

Females

2021

F18-39

2021

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

5867

Females

1469

F18-39

1469

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5794

Females

1574

F18-39

1574

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7646

Females

2485

F18-39

2485

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6585

Females

1929

F18-39

1929

Passing Analysis

Category:
Athletes Passed
2969*
Passed By
1292
Net Change
+1675
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10534
5K → 10K202418-216#10534#10750
10K → 15K231205+26#10750#10724
15K → 20K281155+126#10724#10598
20K → Half5528+27#10598#10571
Half → 25K290133+157#10571#10414
25K → 30K420127+292#10414#10122
30K → 20M24938+211#10122#9911
20M → 21M17470+103#9911#9808
21M → 35K12834+94#9808#9714
35K → 23M28634+252#9714#9462
23M → 24M224*12+212#9462#9250
24M → 40K2025+197#9250#9053
40K → 25.2M6117+44#9053#9009
25.2M → Finish16616+150#9009#8859
TOTALS2969*1292+1675

* 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