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BOSTON MARATHON 2025

Molly Trachtenberg

Bib: 10113•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:45
Rank: #10606
Start → 5K
22:45 | 7:19/mi
10K· 6.21 mi
45:58
Rank: #11226 (-620)
5K → 10K
23:13 | 7:28/mi
15K· 9.32 mi
1:09:06
Rank: #11196 (+30)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:33:45
Rank: #12025 (-829)
15K → 20K
24:39 | 7:56/mi
Half· 13.11 mi
1:38:42
Rank: #11888 (+137)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:57:09
Rank: #11686 (+202)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:22:06
Rank: #11626 (+60)
25K → 30K
24:57 | 8:02/mi
20M
2:34:03
Rank: #11941 (-315)
30K → 20M
11:57 | 8:48/mi
21M
2:42:32
Rank: #11815 (+126)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:48:22
Rank: #11754 (+61)
21M → 35K
5:50 | 7:48/mi
23M
2:58:46
Rank: #11743 (+11)
35K → 23M
10:24 | 8:18/mi
24M
3:07:16
Rank: #11863 (-120)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:14:18
Rank: #11844 (+19)
24M → 40K
7:02 | 8:14/mi
25.2M
3:17:21
Rank: #11815 (+29)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:25:39
Rank: #11883 (-68)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:46:57
Pace8:10 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5922:457:1922:45
7:19
-
10K
6.21 mi11:12:1245:587:2423:13
7:28
+0:09
15K
9.32 mi11:35:201:09:067:2523:08
7:27
-0:01
20K
12.43 mi11:59:591:33:457:3324:39
7:56
+0:29
Half
13.11 mi12:04:561:38:427:324:57
7:15
-0:41
25K
15.53 mi12:23:231:57:097:3218:27
7:37
+0:22
30K
18.64 mi12:48:202:22:067:3724:57
8:02
+0:25
20M
20.00 mi13:00:172:34:037:4211:57
8:48
+0:46
21M
21.00 mi13:08:462:42:327:448:29
8:29
-0:19
35K
21.75 mi13:14:362:48:227:455:50
7:48
-0:41
23M
23.00 mi13:25:002:58:467:4610:24
8:18
+0:30
24M
24.00 mi13:33:303:07:167:488:30
8:30
+0:12
40K
24.85 mi13:40:323:14:187:497:02
8:14
-0:16
25.2M
25.20 mi13:43:353:17:217:503:03
8:51
+0:37
Finish
26.22 mi13:51:533:25:397:518:18
8:09
-0:42

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

7:15 /mi

Average Pace

7:51 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:30

45% of race

Time at Steady Pace

1:10:46

34% of race

Time at Slower Pace

42:23

21% of race

Average Pace: 7:51 /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 mi10:48:5922:457:1922:45
7:19
#10606
10K
6.21 mi11:12:1245:587:2423:13
7:28
#11226
15K
9.32 mi11:35:201:09:067:2523:08
7:27
#11196
20K
12.43 mi11:59:591:33:457:3324:39
7:56
#12025
Half
13.11 mi12:04:561:38:427:324:57
7:15
#11888
25K
15.53 mi12:23:231:57:097:3218:27
7:37
#11686
30K
18.64 mi12:48:202:22:067:3724:57
8:02
#11626
20M
20.00 mi13:00:172:34:037:4211:57
8:48
#11941
21M
21.00 mi13:08:462:42:327:448:29
8:29
#11815
35K
21.75 mi13:14:362:48:227:455:50
7:48
#11754
23M
23.00 mi13:25:002:58:467:4610:24
8:18
#11743
24M
24.00 mi13:33:303:07:167:488:30
8:30
#11863
40K
24.85 mi13:40:323:14:187:497:02
8:14
#11844
25.2M
25.20 mi13:43:353:17:217:503:03
8:51
#11815
Finish
26.22 mi13:51:533:25:397:518:18
8:09
#11883
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106062096209611313(Top 40%)2540(Top 21%)2540(Top 46%)
10K6.21 mi3.10 mi11226-6202413-3172413-31711859(Top 42%)2742(Top 22%)2742(Top 50%)
15K9.32 mi3.11 mi11196+302413241311313(Top 40%)2540(Top 21%)2540(Top 46%)
20K12.43 mi3.11 mi12025-8292884-4712884-47114400(Top 51%)4311(Top 35%)4311(Top 79%)
Half13.11 mi0.68 mi11888+1372819+652819+659709(Top 34%)1837(Top 15%)1837(Top 34%)
25K15.53 mi2.42 mi11686+2022752+672752+6710878(Top 38%)2526(Top 21%)2526(Top 46%)
30K18.64 mi3.11 mi11626+602795-432795-4311620(Top 41%)3104(Top 25%)3104(Top 57%)
20M20.00 mi1.36 mi11941-3153002-2073002-20715628(Top 55%)5372(Top 44%)5372(Top 98%)
21M21.00 mi1.00 mi11815+1262978+242978+2410373(Top 37%)2803(Top 23%)2803(Top 51%)
35K21.75 mi0.75 mi11754+612956+222956+2210855(Top 38%)3038(Top 25%)3038(Top 56%)
23M23.00 mi1.25 mi11743+113004-483004-4812088(Top 43%)3781(Top 31%)3781(Top 69%)
24M24.00 mi1.00 mi11863-1203100-963100-9614499(Top 51%)5084(Top 42%)5084(Top 93%)
40K24.85 mi0.85 mi11844+193128-283128-2811734(Top 41%)3769(Top 31%)3769(Top 69%)
25.2M25.20 mi0.35 mi11815+293129-13129-110976(Top 39%)3470(Top 28%)3470(Top 63%)
Finish26.22 mi1.02 mi11883-683194-653194-6513913(Top 49%)4903(Top 40%)4903(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11313

Females

2540

F18-39

2540

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11859

Females

2742

F18-39

2742

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11313

Females

2540

F18-39

2540

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14400

Females

4311

F18-39

4311

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9709

Females

1837

F18-39

1837

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10878

Females

2526

F18-39

2526

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11620

Females

3104

F18-39

3104

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15628

Females

5372

F18-39

5372

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10373

Females

2803

F18-39

2803

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10855

Females

3038

F18-39

3038

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12088

Females

3781

F18-39

3781

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14499

Females

5084

F18-39

5084

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11734

Females

3769

F18-39

3769

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10976

Females

3470

F18-39

3470

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13913

Females

4903

F18-39

4903

Passing Analysis

Category:
Athletes Passed
1627
Passed By
2904
Net Change
-1277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10606
5K → 10K70690-620#10606#11226
10K → 15K208178+30#11226#11196
15K → 20K41870-829#11196#12025
20K → Half1370+137#12025#11888
Half → 25K25654+202#11888#11686
25K → 30K254194+60#11686#11626
30K → 20M54369-315#11626#11941
20M → 21M16842+126#11941#11815
21M → 35K8423+61#11815#11754
35K → 23M115104+11#11754#11743
23M → 24M49169-120#11743#11863
24M → 40K8768+19#11863#11844
40K → 25.2M5627+29#11844#11815
25.2M → Finish48116-68#11815#11883
TOTALS16272904-1277
📊

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