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BOSTON MARATHON 2025

Stacey Daniel

Bib: 19634•F

NV

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
Masters (Masters Women)
#0 / 6759
Top 26%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:23
Rank: #15251
Start → 5K
24:23 | 7:51/mi
10K· 6.21 mi
49:06
Rank: #15699 (-448)
5K → 10K
24:43 | 7:57/mi
15K· 9.32 mi
1:14:03
Rank: #15873 (-174)
10K → 15K
24:57 | 8:02/mi
20K· 12.43 mi
1:39:16
Rank: #15837 (+36)
15K → 20K
25:13 | 8:07/mi
Half· 13.11 mi
1:44:44
Rank: #15852 (-15)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:04:55
Rank: #15896 (-44)
Half → 25K
20:11 | 8:19/mi
30K· 18.64 mi
2:32:00
Rank: #15893 (+3)
25K → 30K
27:05 | 8:43/mi
20M
2:44:06
Rank: #15895 (-2)
30K → 20M
12:06 | 8:54/mi
21M
2:53:32
Rank: #15841 (+54)
20M → 21M
9:26 | 9:26/mi
35K· 21.75 mi
2:59:45
Rank: #15754 (+87)
21M → 35K
6:13 | 8:19/mi
23M
3:10:29
Rank: #15598 (+156)
35K → 23M
10:44 | 8:34/mi
24M
3:18:47
Rank: #15488 (+110)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:26:01
Rank: #15376 (+112)
24M → 40K
7:14 | 8:28/mi
25.2M
3:29:07
Rank: #15302 (+74)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:37:04
Rank: #15142 (+160)
25.2M → Finish
7:57 | 7:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:44
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:52:20
Pace8:34 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2424:237:5124:23
7:51
-
10K
6.21 mi11:42:0749:067:5424:43
7:57
+0:06
15K
9.32 mi12:07:041:14:037:5724:57
8:02
+0:05
20K
12.43 mi12:32:171:39:167:5925:13
8:07
+0:05
Half
13.11 mi12:37:451:44:447:595:28
8:01
-0:06
25K
15.53 mi12:57:562:04:558:0220:11
8:19
+0:18
30K
18.64 mi13:25:012:32:008:0927:05
8:43
+0:24
20M
20.00 mi13:37:072:44:068:1212:06
8:54
+0:11
21M
21.00 mi13:46:332:53:328:169:26
9:26
+0:32
35K
21.75 mi13:52:462:59:458:166:13
8:19
-1:07
23M
23.00 mi14:03:303:10:298:1710:44
8:34
+0:15
24M
24.00 mi14:11:483:18:478:178:18
8:18
-0:16
40K
24.85 mi14:19:023:26:018:177:14
8:28
+0:10
25.2M
25.20 mi14:22:083:29:078:183:06
8:59
+0:31
Finish
26.22 mi14:30:053:37:048:177:57
7:48
-1:11

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

7:48 /mi

Average Pace

8:17 /mi

Slowest Pace

9:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:28

40% of race

Time at Steady Pace

1:07:09

31% of race

Time at Slower Pace

1:02:27

29% of race

Average Pace: 8:17 /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 mi11:17:2424:237:5124:23
7:51
#15251
10K
6.21 mi11:42:0749:067:5424:43
7:57
#15699
15K
9.32 mi12:07:041:14:037:5724:57
8:02
#15873
20K
12.43 mi12:32:171:39:167:5925:13
8:07
#15837
Half
13.11 mi12:37:451:44:447:595:28
8:01
#15852
25K
15.53 mi12:57:562:04:558:0220:11
8:19
#15896
30K
18.64 mi13:25:012:32:008:0927:05
8:43
#15893
20M
20.00 mi13:37:072:44:068:1212:06
8:54
#15895
21M
21.00 mi13:46:332:53:328:169:26
9:26
#15841
35K
21.75 mi13:52:462:59:458:166:13
8:19
#15754
23M
23.00 mi14:03:303:10:298:1710:44
8:34
#15598
24M
24.00 mi14:11:483:18:478:178:18
8:18
#15488
40K
24.85 mi14:19:023:26:018:177:14
8:28
#15376
25.2M
25.20 mi14:22:083:29:078:183:06
8:59
#15302
Finish
26.22 mi14:30:053:37:048:177:57
7:48
#15142
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi152514686468616283(Top 57%)5303(Top 43%)5303(Top 309%)
10K6.21 mi3.10 mi15699-4484959-2734959-27316116(Top 57%)5187(Top 42%)5187(Top 302%)
15K9.32 mi3.11 mi15873-1745061-1025061-10216283(Top 57%)5303(Top 43%)5303(Top 309%)
20K12.43 mi3.11 mi15837+365057+45057+415764(Top 55%)5073(Top 41%)5073(Top 295%)
Half13.11 mi0.68 mi15852-155063-65063-616050(Top 57%)5211(Top 43%)5211(Top 303%)
25K15.53 mi2.42 mi15896-445105-425105-4216079(Top 57%)5351(Top 44%)5351(Top 311%)
30K18.64 mi3.11 mi15893+35163-585163-5816097(Top 57%)5515(Top 45%)5515(Top 321%)
20M20.00 mi1.36 mi15895-25210-475210-4716265(Top 57%)5747(Top 47%)5747(Top 335%)
21M21.00 mi1.00 mi15841+545212-25212-215792(Top 56%)5595(Top 46%)5595(Top 326%)
35K21.75 mi0.75 mi15754+875187+255187+2514345(Top 51%)4876(Top 40%)4876(Top 284%)
23M23.00 mi1.25 mi15598+1565129+585129+5813778(Top 49%)4687(Top 38%)4687(Top 273%)
24M24.00 mi1.00 mi15488+1105086+435086+4313290(Top 47%)4465(Top 37%)4465(Top 260%)
40K24.85 mi0.85 mi15376+1125052+345052+3413222(Top 47%)4567(Top 37%)4567(Top 266%)
25.2M25.20 mi0.35 mi15302+745026+265026+2611838(Top 42%)3914(Top 32%)3914(Top 228%)
Finish26.22 mi1.02 mi15142+1604954+724954+7211492(Top 40%)3709(Top 30%)3709(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16283

Females

5303

F40-44

5303

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16116

Females

5187

F40-44

5187

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16283

Females

5303

F40-44

5303

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15764

Females

5073

F40-44

5073

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16050

Females

5211

F40-44

5211

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16079

Females

5351

F40-44

5351

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16097

Females

5515

F40-44

5515

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16265

Females

5747

F40-44

5747

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15792

Females

5595

F40-44

5595

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14345

Females

4876

F40-44

4876

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13778

Females

4687

F40-44

4687

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13290

Females

4465

F40-44

4465

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13222

Females

4567

F40-44

4567

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11838

Females

3914

F40-44

3914

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11492

Females

3709

F40-44

3709

Passing Analysis

Category:
Athletes Passed
1995
Passed By
1886
Net Change
+109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15251
5K → 10K159607-448#15251#15699
10K → 15K149323-174#15699#15873
15K → 20K210174+36#15873#15837
20K → Half3146-15#15837#15852
Half → 25K162206-44#15852#15896
25K → 30K229226+3#15896#15893
30K → 20M112114-2#15893#15895
20M → 21M14288+54#15895#15841
21M → 35K10619+87#15841#15754
35K → 23M18529+156#15754#15598
23M → 24M13020+110#15598#15488
24M → 40K13220+112#15488#15376
40K → 25.2M795+74#15376#15302
25.2M → Finish1699+160#15302#15142
TOTALS19951886+109
📊

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