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BOSTON MARATHON 2025

Jie Mu

Bib: 18213•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:16
Rank: #12153
Start → 5K
23:16 | 7:29/mi
10K· 6.21 mi
45:50
Rank: #11022 (+1131)
5K → 10K
22:34 | 7:16/mi
15K· 9.32 mi
1:08:42
Rank: #10808 (+214)
10K → 15K
22:52 | 7:22/mi
20K· 12.43 mi
1:32:15
Rank: #10965 (-157)
15K → 20K
23:33 | 7:35/mi
Half· 13.11 mi
1:37:19
Rank: #10966 (-1)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:55:52
Rank: #10972 (-6)
Half → 25K
18:33 | 7:39/mi
30K· 18.64 mi
2:20:45
Rank: #11033 (-61)
25K → 30K
24:53 | 8:01/mi
20M
2:31:59
Rank: #11082 (-49)
30K → 20M
11:14 | 8:16/mi
21M
2:40:41
Rank: #11087 (-5)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:46:46
Rank: #11151 (-64)
21M → 35K
6:05 | 8:08/mi
23M
2:57:03
Rank: #11119 (+32)
35K → 23M
10:17 | 8:13/mi
24M
3:05:02
Rank: #11083 (+36)
23M → 24M
7:59 | 7:59/mi
40K· 24.85 mi
3:11:58
Rank: #11051 (+32)
24M → 40K
6:56 | 8:07/mi
25.2M
3:14:59
Rank: #11014 (+37)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:22:47
Rank: #10964 (+50)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:19
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:45:28
Pace8:03 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1023:167:2923:16
7:29
-
10K
6.21 mi11:36:4445:507:2322:34
7:16
-0:13
15K
9.32 mi11:59:361:08:427:2222:52
7:22
+0:06
20K
12.43 mi12:23:091:32:157:2523:33
7:35
+0:13
Half
13.11 mi12:28:131:37:197:255:04
7:26
-0:09
25K
15.53 mi12:46:461:55:527:2818:33
7:39
+0:13
30K
18.64 mi13:11:392:20:457:3324:53
8:01
+0:22
20M
20.00 mi13:22:532:31:597:3611:14
8:16
+0:15
21M
21.00 mi13:31:352:40:417:398:42
8:42
+0:26
35K
21.75 mi13:37:402:46:467:406:05
8:08
-0:34
23M
23.00 mi13:47:572:57:037:4210:17
8:13
+0:05
24M
24.00 mi13:55:563:05:027:437:59
7:59
-0:14
40K
24.85 mi14:02:523:11:587:436:56
8:07
+0:08
25.2M
25.20 mi14:05:533:14:597:443:01
8:45
+0:38
Finish
26.22 mi14:13:413:22:477:447:48
7:39
-1:06

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

7:16 /mi

Average Pace

7:44 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:40

61% of race

Time at Steady Pace

45:53

23% of race

Time at Slower Pace

33:14

16% of race

Average Pace: 7:44 /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 mi11:14:1023:167:2923:16
7:29
#12153
10K
6.21 mi11:36:4445:507:2322:34
7:16
#11022
15K
9.32 mi11:59:361:08:427:2222:52
7:22
#10808
20K
12.43 mi12:23:091:32:157:2523:33
7:35
#10965
Half
13.11 mi12:28:131:37:197:255:04
7:26
#10966
25K
15.53 mi12:46:461:55:527:2818:33
7:39
#10972
30K
18.64 mi13:11:392:20:457:3324:53
8:01
#11033
20M
20.00 mi13:22:532:31:597:3611:14
8:16
#11082
21M
21.00 mi13:31:352:40:417:398:42
8:42
#11087
35K
21.75 mi13:37:402:46:467:406:05
8:08
#11151
23M
23.00 mi13:47:572:57:037:4210:17
8:13
#11119
24M
24.00 mi13:55:563:05:027:437:59
7:59
#11083
40K
24.85 mi14:02:523:11:587:436:56
8:07
#11051
25.2M
25.20 mi14:05:533:14:597:443:01
8:45
#11014
Finish
26.22 mi14:13:413:22:477:447:48
7:39
#10964
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121532877287710511(Top 37%)2127(Top 17%)2127(Top 39%)
10K6.21 mi3.10 mi11022+11312313+5642313+56410056(Top 35%)1857(Top 15%)1857(Top 34%)
15K9.32 mi3.11 mi10808+2142228+852228+8510511(Top 37%)2127(Top 17%)2127(Top 39%)
20K12.43 mi3.11 mi10965-1572320-922320-9211442(Top 40%)2707(Top 22%)2707(Top 49%)
Half13.11 mi0.68 mi10966-12323-32323-311180(Top 39%)2521(Top 21%)2521(Top 46%)
25K15.53 mi2.42 mi10972-62374-512374-5111176(Top 39%)2675(Top 22%)2675(Top 49%)
30K18.64 mi3.11 mi11033-612486-1122486-11211446(Top 40%)3001(Top 25%)3001(Top 55%)
20M20.00 mi1.36 mi11082-492545-592545-5912275(Top 43%)3575(Top 29%)3575(Top 65%)
21M21.00 mi1.00 mi11087-52591-462591-4611677(Top 41%)3427(Top 28%)3427(Top 63%)
35K21.75 mi0.75 mi11151-642652-612652-6113146(Top 46%)4230(Top 35%)4230(Top 77%)
23M23.00 mi1.25 mi11119+322675-232675-2311446(Top 40%)3449(Top 28%)3449(Top 63%)
24M24.00 mi1.00 mi11083+362703-282703-2811133(Top 39%)3365(Top 28%)3365(Top 62%)
40K24.85 mi0.85 mi11051+322720-172720-1710961(Top 39%)3378(Top 28%)3378(Top 62%)
25.2M25.20 mi0.35 mi11014+372718+22718+210345(Top 36%)3181(Top 26%)3181(Top 58%)
Finish26.22 mi1.02 mi10964+502728-102728-1010372(Top 37%)3158(Top 26%)3158(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10511

Females

2127

F18-39

2127

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

10056

Females

1857

F18-39

1857

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10511

Females

2127

F18-39

2127

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11442

Females

2707

F18-39

2707

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11180

Females

2521

F18-39

2521

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11176

Females

2675

F18-39

2675

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11446

Females

3001

F18-39

3001

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12275

Females

3575

F18-39

3575

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11677

Females

3427

F18-39

3427

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13146

Females

4230

F18-39

4230

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11446

Females

3449

F18-39

3449

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11133

Females

3365

F18-39

3365

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10961

Females

3378

F18-39

3378

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10345

Females

3181

F18-39

3181

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10372

Females

3158

F18-39

3158

Passing Analysis

Category:
Athletes Passed
2673
Passed By
1484
Net Change
+1189
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12153
5K → 10K115524+1131#12153#11022
10K → 15K28571+214#11022#10808
15K → 20K124281-157#10808#10965
20K → Half3233-1#10965#10966
Half → 25K170176-6#10966#10972
25K → 30K213274-61#10972#11033
30K → 20M100149-49#11033#11082
20M → 21M96101-5#11082#11087
21M → 35K40104-64#11087#11151
35K → 23M11886+32#11151#11119
23M → 24M10569+36#11119#11083
24M → 40K9058+32#11083#11051
40K → 25.2M5518+37#11051#11014
25.2M → Finish9040+50#11014#10964
TOTALS26731484+1189
📊

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