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BOSTON MARATHON 2025

Chrissy Nichols

Bib: 20733•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 16%
Division (F40-44)
#0 / 1718
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #15660
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
48:55
Rank: #15431 (+229)
5K → 10K
24:23 | 7:51/mi
15K· 9.32 mi
1:13:10
Rank: #15080 (+351)
10K → 15K
24:15 | 7:48/mi
20K· 12.43 mi
1:37:33
Rank: #14665 (+415)
15K → 20K
24:23 | 7:51/mi
Half· 13.11 mi
1:42:51
Rank: #14625 (+40)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:02:11
Rank: #14434 (+191)
Half → 25K
19:20 | 7:58/mi
30K· 18.64 mi
2:27:36
Rank: #14028 (+406)
25K → 30K
25:25 | 8:11/mi
20M
2:38:44
Rank: #13798 (+230)
30K → 20M
11:08 | 8:12/mi
21M
2:47:19
Rank: #13609 (+189)
20M → 21M
8:35 | 8:35/mi
35K· 21.75 mi
2:53:10
Rank: #13498 (+111)
21M → 35K
5:51 | 7:49/mi
23M
3:03:27
Rank: #13342 (+156)
35K → 23M
10:17 | 8:13/mi
24M
3:11:20
Rank: #13197 (+145)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:18:23
Rank: #13125 (+72)
24M → 40K
7:03 | 8:15/mi
25.2M
3:21:26
Rank: #13083 (+42)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:29:32
Rank: #13089 (-6)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:51
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:46:41
Pace8:08 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3024:327:5424:32
7:54
-
10K
6.21 mi11:42:5348:557:5224:23
7:51
-0:03
15K
9.32 mi12:07:081:13:107:5124:15
7:48
-0:03
20K
12.43 mi12:31:311:37:337:5124:23
7:51
+0:03
Half
13.11 mi12:36:491:42:517:515:18
7:46
-0:05
25K
15.53 mi12:56:092:02:117:5219:20
7:58
+0:12
30K
18.64 mi13:21:342:27:367:5525:25
8:11
+0:13
20M
20.00 mi13:32:422:38:447:5611:08
8:12
+0:01
21M
21.00 mi13:41:172:47:197:588:35
8:35
+0:23
35K
21.75 mi13:47:082:53:107:585:51
7:49
-0:46
23M
23.00 mi13:57:253:03:277:5910:17
8:13
+0:24
24M
24.00 mi14:05:183:11:207:587:53
7:53
-0:20
40K
24.85 mi14:12:213:18:237:597:03
8:15
+0:22
25.2M
25.20 mi14:15:243:21:268:003:03
8:51
+0:36
Finish
26.22 mi14:23:303:29:328:008:06
7:57
-0:54

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

7:46 /mi

Average Pace

8:00 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:54

94% of race

Time at Steady Pace

11:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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 mi11:18:3024:327:5424:32
7:54
#15660
10K
6.21 mi11:42:5348:557:5224:23
7:51
#15431
15K
9.32 mi12:07:081:13:107:5124:15
7:48
#15080
20K
12.43 mi12:31:311:37:337:5124:23
7:51
#14665
Half
13.11 mi12:36:491:42:517:515:18
7:46
#14625
25K
15.53 mi12:56:092:02:117:5219:20
7:58
#14434
30K
18.64 mi13:21:342:27:367:5525:25
8:11
#14028
20M
20.00 mi13:32:422:38:447:5611:08
8:12
#13798
21M
21.00 mi13:41:172:47:197:588:35
8:35
#13609
35K
21.75 mi13:47:082:53:107:585:51
7:49
#13498
23M
23.00 mi13:57:253:03:277:5910:17
8:13
#13342
24M
24.00 mi14:05:183:11:207:587:53
7:53
#13197
40K
24.85 mi14:12:213:18:237:597:03
8:15
#13125
25.2M
25.20 mi14:15:243:21:268:003:03
8:51
#13083
Finish
26.22 mi14:23:303:29:328:008:06
7:57
#13089
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi156604927492714423(Top 51%)4267(Top 35%)4267(Top 248%)
10K6.21 mi3.10 mi15431+2294795+1324795+13215251(Top 54%)4688(Top 38%)4688(Top 273%)
15K9.32 mi3.11 mi15080+3514602+1934602+19314423(Top 51%)4267(Top 35%)4267(Top 248%)
20K12.43 mi3.11 mi14665+4154384+2184384+21813679(Top 48%)3918(Top 32%)3918(Top 228%)
Half13.11 mi0.68 mi14625+404364+204364+2014039(Top 49%)4072(Top 33%)4072(Top 237%)
25K15.53 mi2.42 mi14434+1914294+704294+7013691(Top 48%)4051(Top 33%)4051(Top 236%)
30K18.64 mi3.11 mi14028+4064122+1724122+17212697(Top 45%)3665(Top 30%)3665(Top 213%)
20M20.00 mi1.36 mi13798+2304027+954027+9511779(Top 41%)3345(Top 27%)3345(Top 195%)
21M21.00 mi1.00 mi13609+1893954+733954+7311026(Top 39%)3121(Top 26%)3121(Top 182%)
35K21.75 mi0.75 mi13498+1113913+413913+4111037(Top 39%)3135(Top 26%)3135(Top 182%)
23M23.00 mi1.25 mi13342+1563862+513862+5111461(Top 40%)3464(Top 28%)3464(Top 202%)
24M24.00 mi1.00 mi13197+1453813+493813+4910476(Top 37%)3042(Top 25%)3042(Top 177%)
40K24.85 mi0.85 mi13125+723798+153798+1511862(Top 42%)3849(Top 31%)3849(Top 224%)
25.2M25.20 mi0.35 mi13083+423787+113787+1111006(Top 39%)3500(Top 29%)3500(Top 204%)
Finish26.22 mi1.02 mi13089-63813-263813-2612562(Top 44%)4219(Top 35%)4219(Top 246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14423

Females

4267

F40-44

4267

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15251

Females

4688

F40-44

4688

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14423

Females

4267

F40-44

4267

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13679

Females

3918

F40-44

3918

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

14039

Females

4072

F40-44

4072

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13691

Females

4051

F40-44

4051

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12697

Females

3665

F40-44

3665

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11779

Females

3345

F40-44

3345

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11026

Females

3121

F40-44

3121

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

11037

Females

3135

F40-44

3135

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11461

Females

3464

F40-44

3464

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10476

Females

3042

F40-44

3042

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11862

Females

3849

F40-44

3849

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11006

Females

3500

F40-44

3500

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12562

Females

4219

F40-44

4219

Passing Analysis

Category:
Athletes Passed
3217
Passed By
646
Net Change
+2571
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15660
5K → 10K440211+229#15660#15431
10K → 15K41160+351#15431#15080
15K → 20K44934+415#15080#14665
20K → Half5515+40#14665#14625
Half → 25K26170+191#14625#14434
25K → 30K46963+406#14434#14028
30K → 20M24414+230#14028#13798
20M → 21M20920+189#13798#13609
21M → 35K1198+111#13609#13498
35K → 23M18529+156#13498#13342
23M → 24M15712+145#13342#13197
24M → 40K10937+72#13197#13125
40K → 25.2M519+42#13125#13083
25.2M → Finish5864-6#13083#13089
TOTALS3217646+2571
📊

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