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BOSTON MARATHON 2025

Rachel Dentinger

Bib: 28132•F

NY

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:48/mi
30:27
↑ 97↓ 3451.5%
10K· 6.21 mi
10:31/mi
1:03:08
↑ 79↓ 1380.4%
15K· 9.32 mi
10:46/mi
1:36:35
↑ 67↓ 78
20K· 12.43 mi
12:33/mi
2:15:36
↑ 106↓ 860.1%
Half· 13.11 mi
11:48/mi
2:23:39
↑ 19↓ 370.5%
25K· 15.53 mi
12:48/mi
2:54:42
↑ 66↓ 880.2%
30K· 18.64 mi
13:23/mi
3:36:18
↑ 181↓ 1480.2%
20M
12:05/mi
3:52:43
↑ 64↓ 500.2%
21M
15:11/mi
4:07:54
↑ 106↓ 241.6%
35K· 21.75 mi
11:27/mi
4:16:28
↑ 17↓ 861.7%
23M
12:34/mi
4:32:12
↑ 23↓ 630.6%
24M
11:38/mi
4:43:50
↓ 821.3%
40K· 24.85 mi
11:22/mi
4:53:33
↓ 200.3%
25.2M
15:45/mi
4:58:59
↑ 13↓ 160.2%
Finish· 26.22 mi
10:36/mi
5:09:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:39
Pace10:57 /mi
2nd Half
Distance13.11 mi
Time2:46:08
Pace12:40 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3330:279:4830:27
9:48
-
10K
6.21 mi12:20:141:03:0810:1032:41
10:31
+0:43
15K
9.32 mi12:53:411:36:3510:2233:27
10:46
+0:15
20K
12.43 mi13:32:422:15:3610:5539:01
12:33
+1:47
Half
13.11 mi13:40:452:23:3910:578:03
11:48
-0:45
25K
15.53 mi14:11:482:54:4211:1531:03
12:48
+1:00
30K
18.64 mi14:53:243:36:1811:3641:36
13:23
+0:35
20M
20.00 mi15:09:493:52:4311:3816:25
12:05
-1:18
21M
21.00 mi15:25:004:07:5411:4815:11
15:11
+3:06
35K
21.75 mi15:33:344:16:2811:488:34
11:27
-3:44
23M
23.00 mi15:49:184:32:1211:5015:44
12:34
+1:07
24M
24.00 mi16:00:564:43:5011:5011:38
11:38
-0:56
40K
24.85 mi16:10:394:53:3311:499:43
11:22
-0:16
25.2M
25.20 mi16:16:054:58:5911:525:26
15:45
+4:23
Finish
26.22 mi16:26:535:09:4711:4910:48
10:36
-5:09

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

9:48 /mi

Average Pace

11:49 /mi

Slowest Pace

15:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:23

35% of race

Time at Steady Pace

1:49:08

35% of race

Time at Slower Pace

1:33:16

30% of race

Average Pace: 11:49 /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 mi11:47:3330:279:4830:27
9:48
#25088
10K
6.21 mi12:20:141:03:0810:1032:41
10:31
#25821
15K
9.32 mi12:53:411:36:3510:2233:27
10:46
#26015
20K
12.43 mi13:32:422:15:3610:5539:01
12:33
#26655
Half
13.11 mi13:40:452:23:3910:578:03
11:48
#26705
25K
15.53 mi14:11:482:54:4211:1531:03
12:48
#26832
30K
18.64 mi14:53:243:36:1811:3641:36
13:23
#26914
20M
20.00 mi15:09:493:52:4311:3816:25
12:05
#26816
21M
21.00 mi15:25:004:07:5411:4815:11
15:11
#26876
35K
21.75 mi15:33:344:16:2811:488:34
11:27
#26819
23M
23.00 mi15:49:184:32:1211:5015:44
12:34
#26783
24M
24.00 mi16:00:564:43:5011:5011:38
11:38
#26718
40K
24.85 mi16:10:394:53:3311:499:43
11:22
#26658
25.2M
25.20 mi16:16:054:58:5911:525:26
15:45
#26688
Finish
26.22 mi16:26:535:09:4711:4910:48
10:36
#26634
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25088102521025226348(Top 93%)10974(Top 90%)10974(Top 201%)
10K6.21 mi3.10 mi25821-73310674-42210674-42226302(Top 93%)10960(Top 90%)10960(Top 200%)
15K9.32 mi3.11 mi26015-19410788-11410788-11426348(Top 93%)10974(Top 90%)10974(Top 201%)
20K12.43 mi3.11 mi26655-64011150-36211150-36227564(Top 97%)11737(Top 96%)11737(Top 215%)
Half13.11 mi0.68 mi26705-5011179-2911179-2927285(Top 96%)11581(Top 95%)11581(Top 212%)
25K15.53 mi2.42 mi26832-12711279-10011279-10027157(Top 96%)11523(Top 94%)11523(Top 211%)
30K18.64 mi3.11 mi26914-8211347-6811347-6827041(Top 95%)11518(Top 94%)11518(Top 211%)
20M20.00 mi1.36 mi26816+9811299+4811299+4825369(Top 89%)10685(Top 87%)10685(Top 195%)
21M21.00 mi1.00 mi26876-6011340-4111340-4127292(Top 96%)11727(Top 96%)11727(Top 214%)
35K21.75 mi0.75 mi26819+5711316+2411316+2425011(Top 88%)10594(Top 87%)10594(Top 194%)
23M23.00 mi1.25 mi26783+3611306+1011306+1025875(Top 91%)11035(Top 90%)11035(Top 202%)
24M24.00 mi1.00 mi26718+6511280+2611280+2625119(Top 88%)10692(Top 87%)10692(Top 196%)
40K24.85 mi0.85 mi26658+6011254+2611254+2623869(Top 84%)10113(Top 83%)10113(Top 185%)
25.2M25.20 mi0.35 mi26688-3011273-1911273-1927577(Top 97%)11921(Top 97%)11921(Top 218%)
Finish26.22 mi1.02 mi26634+5411251+2211251+2224488(Top 86%)10404(Top 85%)10404(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26348

Females

10974

F18-39

10974

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26302

Females

10960

F18-39

10960

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26348

Females

10974

F18-39

10974

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27564

Females

11737

F18-39

11737

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27285

Females

11581

F18-39

11581

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27157

Females

11523

F18-39

11523

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

27041

Females

11518

F18-39

11518

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25369

Females

10685

F18-39

10685

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27292

Females

11727

F18-39

11727

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

25011

Females

10594

F18-39

10594

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25875

Females

11035

F18-39

11035

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

25119

Females

10692

F18-39

10692

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23869

Females

10113

F18-39

10113

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27577

Females

11921

F18-39

11921

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24488

Females

10404

F18-39

10404

Passing Analysis

Category:
Athletes Passed
635
Passed By
2181
Net Change
-1546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25088
5K → 10K34767-733#25088#25821
10K → 15K65259-194#25821#26015
15K → 20K11651-640#26015#26655
20K → Half757-50#26655#26705
Half → 25K46173-127#26705#26832
25K → 30K54136-82#26832#26914
30K → 20M1024+98#26914#26816
20M → 21M969-60#26816#26876
21M → 35K592+57#26876#26819
35K → 23M5317+36#26819#26783
23M → 24M727+65#26783#26718
24M → 40K655+60#26718#26658
40K → 25.2M131-30#26658#26688
25.2M → Finish573+54#26688#26634
TOTALS6352181-1546
📊

Passing Visuals

Category:
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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