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BOSTON MARATHON 2025

Natalie Daniels

Bib: 2130•F

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Female)
#0 / 12228
Top 0.9%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:27
Rank: #2216
Start → 5K
19:27 | 6:16/mi
10K· 6.21 mi
39:15
Rank: #2538 (-322)
5K → 10K
19:48 | 6:22/mi
15K· 9.32 mi
59:19
Rank: #2763 (-225)
10K → 15K
20:04 | 6:28/mi
20K· 12.43 mi
1:19:38
Rank: #2914 (-151)
15K → 20K
20:19 | 6:32/mi
Half· 13.11 mi
1:24:02
Rank: #2938 (-24)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:39:56
Rank: #2955 (-17)
Half → 25K
15:54 | 6:33/mi
30K· 18.64 mi
2:00:15
Rank: #2722 (+233)
25K → 30K
20:19 | 6:32/mi
20M
2:09:25
Rank: #2703 (+19)
30K → 20M
9:10 | 6:45/mi
21M
2:16:24
Rank: #2642 (+61)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:21:05
Rank: #2575 (+67)
21M → 35K
4:41 | 6:16/mi
23M
2:29:15
Rank: #2467 (+108)
35K → 23M
8:10 | 6:31/mi
24M
2:35:38
Rank: #2390 (+77)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:41:13
Rank: #2334 (+56)
24M → 40K
5:35 | 6:32/mi
25.2M
2:43:40
Rank: #2318 (+16)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:50:04
Rank: #2282 (+36)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:02
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:26:02
Pace6:34 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0119:276:1619:27
6:16
-
10K
6.21 mi10:39:4939:156:1919:48
6:22
+0:06
15K
9.32 mi10:59:5359:196:2220:04
6:28
+0:06
20K
12.43 mi11:20:121:19:386:2420:19
6:32
+0:04
Half
13.11 mi11:24:361:24:026:254:24
6:27
-0:05
25K
15.53 mi11:40:301:39:566:2615:54
6:33
+0:06
30K
18.64 mi12:00:492:00:156:2720:19
6:32
-0:01
20M
20.00 mi12:09:592:09:256:289:10
6:45
+0:13
21M
21.00 mi12:16:582:16:246:306:59
6:59
+0:14
35K
21.75 mi12:21:392:21:056:294:41
6:16
-0:43
23M
23.00 mi12:29:492:29:156:298:10
6:31
+0:15
24M
24.00 mi12:36:122:35:386:296:23
6:23
-0:08
40K
24.85 mi12:41:472:41:136:295:35
6:32
+0:09
25.2M
25.20 mi12:44:142:43:406:302:27
7:06
+0:34
Finish
26.22 mi12:50:382:50:046:296:24
6:17
-0:49

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

6:16 /mi

Average Pace

6:29 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:38

94% of race

Time at Steady Pace

9:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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 mi10:20:0119:276:1619:27
6:16
#2216
10K
6.21 mi10:39:4939:156:1919:48
6:22
#2538
15K
9.32 mi10:59:5359:196:2220:04
6:28
#2763
20K
12.43 mi11:20:121:19:386:2420:19
6:32
#2914
Half
13.11 mi11:24:361:24:026:254:24
6:27
#2938
25K
15.53 mi11:40:301:39:566:2615:54
6:33
#2955
30K
18.64 mi12:00:492:00:156:2720:19
6:32
#2722
20M
20.00 mi12:09:592:09:256:289:10
6:45
#2703
21M
21.00 mi12:16:582:16:246:306:59
6:59
#2642
35K
21.75 mi12:21:392:21:056:294:41
6:16
#2575
23M
23.00 mi12:29:492:29:156:298:10
6:31
#2467
24M
24.00 mi12:36:122:35:386:296:23
6:23
#2390
40K
24.85 mi12:41:472:41:136:295:35
6:32
#2334
25.2M
25.20 mi12:44:142:43:406:302:27
7:06
#2318
Finish
26.22 mi12:50:382:50:046:296:24
6:17
#2282
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi221693933310(Top 12%)161(Top 1%)161(Top 3%)
10K6.21 mi3.10 mi2538-322114-21114-212882(Top 10%)132(Top 1%)132(Top 2%)
15K9.32 mi3.11 mi2763-225122-8122-83310(Top 12%)161(Top 1%)161(Top 3%)
20K12.43 mi3.11 mi2914-151129-7129-73367(Top 12%)168(Top 1%)168(Top 3%)
Half13.11 mi0.68 mi2938-24131-2131-23432(Top 12%)167(Top 1%)167(Top 3%)
25K15.53 mi2.42 mi2955-17132-1132-13214(Top 11%)162(Top 1%)162(Top 3%)
30K18.64 mi3.11 mi2722+233120+12120+122161(Top 8%)108(Top 0.9%)108(Top 2%)
20M20.00 mi1.36 mi2703+19123-3123-32688(Top 9%)158(Top 1%)158(Top 3%)
21M21.00 mi1.00 mi2642+61119+4119+42219(Top 8%)136(Top 1%)136(Top 2%)
35K21.75 mi0.75 mi2575+67117+2117+21497(Top 5%)78(Top 0.6%)78(Top 1%)
23M23.00 mi1.25 mi2467+108112+5112+51557(Top 5%)93(Top 0.8%)93(Top 2%)
24M24.00 mi1.00 mi2390+77110+2110+21626(Top 6%)102(Top 0.8%)102(Top 2%)
40K24.85 mi0.85 mi2334+56107+3107+31752(Top 6%)125(Top 1%)125(Top 2%)
25.2M25.20 mi0.35 mi2318+16109-2109-21862(Top 7%)155(Top 1%)155(Top 3%)
Finish26.22 mi1.02 mi2282+36110-1110-11845(Top 6%)134(Top 1%)134(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3310

Females

161

F18-39

161

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2882

Females

132

F18-39

132

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3310

Females

161

F18-39

161

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3367

Females

168

F18-39

168

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3432

Females

167

F18-39

167

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3214

Females

162

F18-39

162

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2161

Females

108

F18-39

108

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2688

Females

158

F18-39

158

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2219

Females

136

F18-39

136

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1497

Females

78

F18-39

78

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1557

Females

93

F18-39

93

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1626

Females

102

F18-39

102

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1752

Females

125

F18-39

125

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1862

Females

155

F18-39

155

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1845

Females

134

F18-39

134

Passing Analysis

Category:
Athletes Passed
966
Passed By
1032
Net Change
-66
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2216
5K → 10K25347-322#2216#2538
10K → 15K32257-225#2538#2763
15K → 20K40191-151#2763#2914
20K → Half933-24#2914#2938
Half → 25K6481-17#2938#2955
25K → 30K24714+233#2955#2722
30K → 20M6344+19#2722#2703
20M → 21M8423+61#2703#2642
21M → 35K703+67#2642#2575
35K → 23M1135+108#2575#2467
23M → 24M836+77#2467#2390
24M → 40K604+56#2390#2334
40K → 25.2M237+16#2334#2318
25.2M → Finish5317+36#2318#2282
TOTALS9661032-66
📊

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