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BOSTON MARATHON 2025

Natalie Richardson

Bib: 13357•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
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
7:47/mi
24:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
48:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:12:04
↑ 67↓ 78
20K· 12.43 mi
7:37/mi
1:35:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:40:56
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:59:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:24:58
↑ 181↓ 1480.2%
20M
8:48/mi
2:36:56
↑ 64↓ 500.2%
21M
9:33/mi
2:46:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:52:25
↑ 17↓ 861.7%
23M
9:20/mi
3:04:06
↑ 23↓ 630.6%
24M
9:21/mi
3:13:27
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:20:22
↓ 200.3%
25.2M
9:49/mi
3:23:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:31:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:56
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:50:52
Pace8:27 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:4524:107:4724:10
7:47
-
10K
6.21 mi11:22:4848:137:4624:03
7:44
-0:03
15K
9.32 mi11:46:391:12:047:4423:51
7:41
-0:03
20K
12.43 mi12:10:201:35:457:4223:41
7:37
-0:04
Half
13.11 mi12:15:311:40:567:425:11
7:36
-0:01
25K
15.53 mi12:33:531:59:187:4118:22
7:35
-0:01
30K
18.64 mi12:59:332:24:587:4725:40
8:16
+0:41
20M
20.00 mi13:11:312:36:567:5111:58
8:48
+0:32
21M
21.00 mi13:21:042:46:297:569:33
9:33
+0:45
35K
21.75 mi13:27:002:52:257:565:56
7:56
-1:37
23M
23.00 mi13:38:413:04:068:0011:41
9:20
+1:24
24M
24.00 mi13:48:023:13:278:049:21
9:21
+0:01
40K
24.85 mi13:54:573:20:228:046:55
8:05
-1:16
25.2M
25.20 mi13:58:203:23:458:053:23
9:49
+1:44
Finish
26.22 mi14:06:233:31:488:058:03
7:54
-1:55

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

7:35 /mi

Average Pace

8:05 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:45:52

78% of race

Time at Slower Pace

45:56

22% of race

Average Pace: 8:05 /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 mi10:58:4524:107:4724:10
7:47
#14634
10K
6.21 mi11:22:4848:137:4624:03
7:44
#14436
15K
9.32 mi11:46:391:12:047:4423:51
7:41
#14046
20K
12.43 mi12:10:201:35:457:4223:41
7:37
#13413
Half
13.11 mi12:15:311:40:567:425:11
7:36
#13363
25K
15.53 mi12:33:531:59:187:4118:22
7:35
#12856
30K
18.64 mi12:59:332:24:587:4725:40
8:16
#12877
20M
20.00 mi13:11:312:36:567:5111:58
8:48
#13098
21M
21.00 mi13:21:042:46:297:569:33
9:33
#13303
35K
21.75 mi13:27:002:52:257:565:56
7:56
#13232
23M
23.00 mi13:38:413:04:068:0011:41
9:20
#13556
24M
24.00 mi13:48:023:13:278:049:21
9:21
#13890
40K
24.85 mi13:54:573:20:228:046:55
8:05
#13735
25.2M
25.20 mi13:58:203:23:458:053:23
9:49
#13781
Finish
26.22 mi14:06:233:31:488:058:03
7:54
#13694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146344304430413281(Top 47%)3607(Top 29%)3607(Top 66%)
10K6.21 mi3.10 mi14436+1984196+1084196+10814268(Top 50%)4114(Top 34%)4114(Top 75%)
15K9.32 mi3.11 mi14046+3904002+1944002+19413281(Top 47%)3607(Top 29%)3607(Top 66%)
20K12.43 mi3.11 mi13413+6333668+3343668+33411775(Top 41%)2881(Top 24%)2881(Top 53%)
Half13.11 mi0.68 mi13363+503649+193649+1912640(Top 45%)3324(Top 27%)3324(Top 61%)
25K15.53 mi2.42 mi12856+5073393+2563393+25610578(Top 37%)2369(Top 19%)2369(Top 43%)
30K18.64 mi3.11 mi12877-213472-793472-7913255(Top 47%)3976(Top 33%)3976(Top 73%)
20M20.00 mi1.36 mi13098-2213635-1633635-16315697(Top 55%)5410(Top 44%)5410(Top 99%)
21M21.00 mi1.00 mi13303-2053777-1423777-14216310(Top 57%)5869(Top 48%)5869(Top 107%)
35K21.75 mi0.75 mi13232+713757+203757+2011831(Top 42%)3570(Top 29%)3570(Top 65%)
23M23.00 mi1.25 mi13556-3243989-2323989-23217932(Top 63%)6947(Top 57%)6947(Top 127%)
24M24.00 mi1.00 mi13890-3344196-2074196-20719035(Top 67%)7555(Top 62%)7555(Top 138%)
40K24.85 mi0.85 mi13735+1554141+554141+5510830(Top 38%)3339(Top 27%)3339(Top 61%)
25.2M25.20 mi0.35 mi13781-464183-424183-4216159(Top 57%)6144(Top 50%)6144(Top 112%)
Finish26.22 mi1.02 mi13694+874153+304153+3012200(Top 43%)4037(Top 33%)4037(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13281

Females

3607

F18-39

3607

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14268

Females

4114

F18-39

4114

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13281

Females

3607

F18-39

3607

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11775

Females

2881

F18-39

2881

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12640

Females

3324

F18-39

3324

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10578

Females

2369

F18-39

2369

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13255

Females

3976

F18-39

3976

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15697

Females

5410

F18-39

5410

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16310

Females

5869

F18-39

5869

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11831

Females

3570

F18-39

3570

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17932

Females

6947

F18-39

6947

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19035

Females

7555

F18-39

7555

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10830

Females

3339

F18-39

3339

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16159

Females

6144

F18-39

6144

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12200

Females

4037

F18-39

4037

Passing Analysis

Category:
Athletes Passed
2863
Passed By
1923
Net Change
+940
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14634
5K → 10K395197+198#14634#14436
10K → 15K43949+390#14436#14046
15K → 20K6396+633#14046#13413
20K → Half6515+50#13413#13363
Half → 25K5169+507#13363#12856
25K → 30K227248-21#12856#12877
30K → 20M73294-221#12877#13098
20M → 21M44249-205#13098#13303
21M → 35K9423+71#13303#13232
35K → 23M39363-324#13232#13556
23M → 24M30364-334#13556#13890
24M → 40K17217+155#13890#13735
40K → 25.2M2066-46#13735#13781
25.2M → Finish11023+87#13781#13694
TOTALS28631923+940
📊

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