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BOSTON MARATHON 2025

Daphne Maas

Bib: 13153•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Division (F18-39)
#0 / 5469
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:48
Rank: #10767
Start → 5K
22:48 | 7:20/mi
10K· 6.21 mi
45:44
Rank: #10875 (-108)
5K → 10K
22:56 | 7:23/mi
15K· 9.32 mi
1:08:44
Rank: #10838 (+37)
10K → 15K
23:00 | 7:24/mi
20K· 12.43 mi
1:31:41
Rank: #10567 (+271)
15K → 20K
22:57 | 7:23/mi
Half· 13.11 mi
1:36:41
Rank: #10530 (+37)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:54:35
Rank: #10245 (+285)
Half → 25K
17:54 | 7:23/mi
30K· 18.64 mi
2:18:33
Rank: #9991 (+254)
25K → 30K
23:58 | 7:43/mi
20M
2:29:21
Rank: #9939 (+52)
30K → 20M
10:48 | 7:57/mi
21M
2:37:48
Rank: #9930 (+9)
20M → 21M
8:27 | 8:27/mi
35K· 21.75 mi
2:43:41
Rank: #9964 (-34)
21M → 35K
5:53 | 7:52/mi
23M
2:53:54
Rank: #10025 (-61)
35K → 23M
10:13 | 8:10/mi
24M
3:01:59
Rank: #10089 (-64)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:09:00
Rank: #10115 (-26)
24M → 40K
7:01 | 8:12/mi
25.2M
3:12:00
Rank: #10100 (+15)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:19:32
Rank: #10009 (+91)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:41
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:42:51
Pace7:51 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4122:487:2022:48
7:20
-
10K
6.21 mi11:16:3745:447:2222:56
7:23
+0:03
15K
9.32 mi11:39:371:08:447:2223:00
7:24
+0:01
20K
12.43 mi12:02:341:31:417:2322:57
7:23
-0:01
Half
13.11 mi12:07:341:36:417:225:00
7:20
-0:03
25K
15.53 mi12:25:281:54:357:2317:54
7:23
+0:03
30K
18.64 mi12:49:262:18:337:2623:58
7:43
+0:20
20M
20.00 mi13:00:142:29:217:2810:48
7:57
+0:14
21M
21.00 mi13:08:412:37:487:318:27
8:27
+0:30
35K
21.75 mi13:14:342:43:417:325:53
7:52
-0:35
23M
23.00 mi13:24:472:53:547:3410:13
8:10
+0:18
24M
24.00 mi13:32:523:01:597:358:05
8:05
-0:05
40K
24.85 mi13:39:533:09:007:367:01
8:12
+0:07
25.2M
25.20 mi13:42:533:12:007:373:00
8:42
+0:30
Finish
26.22 mi13:50:253:19:327:377:32
7:24
-1:18

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

7:20 /mi

Average Pace

7:37 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:46

82% of race

Time at Steady Pace

33:46

17% of race

Time at Slower Pace

3:00

2% of race

Average Pace: 7:37 /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 mi10:53:4122:487:2022:48
7:20
#10767
10K
6.21 mi11:16:3745:447:2222:56
7:23
#10875
15K
9.32 mi11:39:371:08:447:2223:00
7:24
#10838
20K
12.43 mi12:02:341:31:417:2322:57
7:23
#10567
Half
13.11 mi12:07:341:36:417:225:00
7:20
#10530
25K
15.53 mi12:25:281:54:357:2317:54
7:23
#10245
30K
18.64 mi12:49:262:18:337:2623:58
7:43
#9991
20M
20.00 mi13:00:142:29:217:2810:48
7:57
#9939
21M
21.00 mi13:08:412:37:487:318:27
8:27
#9930
35K
21.75 mi13:14:342:43:417:325:53
7:52
#9964
23M
23.00 mi13:24:472:53:547:3410:13
8:10
#10025
24M
24.00 mi13:32:523:01:597:358:05
8:05
#10089
40K
24.85 mi13:39:533:09:007:367:01
8:12
#10115
25.2M
25.20 mi13:42:533:12:007:373:00
8:42
#10100
Finish
26.22 mi13:50:253:19:327:377:32
7:24
#10009
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi107672173217310924(Top 38%)2333(Top 19%)2333(Top 43%)
10K6.21 mi3.10 mi10875-1082245-722245-7211031(Top 39%)2318(Top 19%)2318(Top 42%)
15K9.32 mi3.11 mi10838+372243+22243+210924(Top 38%)2333(Top 19%)2333(Top 43%)
20K12.43 mi3.11 mi10567+2712133+1102133+1109808(Top 35%)1879(Top 15%)1879(Top 34%)
Half13.11 mi0.68 mi10530+372113+202113+2010337(Top 36%)2117(Top 17%)2117(Top 39%)
25K15.53 mi2.42 mi10245+2852023+902023+909038(Top 32%)1654(Top 14%)1654(Top 30%)
30K18.64 mi3.11 mi9991+2541950+731950+739295(Top 33%)1963(Top 16%)1963(Top 36%)
20M20.00 mi1.36 mi9939+521959-91959-910100(Top 36%)2475(Top 20%)2475(Top 45%)
21M21.00 mi1.00 mi9930+91994-351994-3510172(Top 36%)2687(Top 22%)2687(Top 49%)
35K21.75 mi0.75 mi9964-342050-562050-5611303(Top 40%)3255(Top 27%)3255(Top 60%)
23M23.00 mi1.25 mi10025-612119-692119-6911130(Top 39%)3287(Top 27%)3287(Top 60%)
24M24.00 mi1.00 mi10089-642184-652184-6511806(Top 42%)3701(Top 30%)3701(Top 68%)
40K24.85 mi0.85 mi10115-262238-542238-5411603(Top 41%)3695(Top 30%)3695(Top 68%)
25.2M25.20 mi0.35 mi10100+152242-42242-410041(Top 35%)3028(Top 25%)3028(Top 55%)
Finish26.22 mi1.02 mi10009+912225+172225+178456(Top 30%)2267(Top 19%)2267(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10924

Females

2333

F18-39

2333

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11031

Females

2318

F18-39

2318

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10924

Females

2333

F18-39

2333

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9808

Females

1879

F18-39

1879

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10337

Females

2117

F18-39

2117

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9038

Females

1654

F18-39

1654

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9295

Females

1963

F18-39

1963

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10100

Females

2475

F18-39

2475

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10172

Females

2687

F18-39

2687

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11303

Females

3255

F18-39

3255

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

11130

Females

3287

F18-39

3287

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11806

Females

3701

F18-39

3701

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11603

Females

3695

F18-39

3695

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10041

Females

3028

F18-39

3028

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8456

Females

2267

F18-39

2267

Passing Analysis

Category:
Athletes Passed
2118*
Passed By
1354
Net Change
+758
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10767
5K → 10K204312-108#10767#10875
10K → 15K186149+37#10875#10838
15K → 20K31746+271#10838#10567
20K → Half5518+37#10567#10530
Half → 25K31025+285#10530#10245
25K → 30K356*102+254#10245#9991
30K → 20M14592+52#9991#9939
20M → 21M10696+9#9939#9930
21M → 35K6295-34#9930#9964
35K → 23M76135-61#9964#10025
23M → 24M63126-64#10025#10089
24M → 40K77103-26#10089#10115
40K → 25.2M3621+15#10115#10100
25.2M → Finish12534+91#10100#10009
TOTALS2118*1354+758

* 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