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BOSTON MARATHON 2025

Campbell Siegrist

MA

Bib: 26163 F

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

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:51/mi
30:35
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:45/mi
1:00:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:49/mi
1:31:20
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:35/mi
2:04:13
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:08/mi
2:11:08
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:04/mi
2:37:59
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:12/mi
3:12:46
↑ 181↓ 1480.2%
138 ft elev
20M
11:06/mi
3:27:51
↑ 64↓ 500.2%
148 ft elev
21M
11:07/mi
3:38:58
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:26/mi
3:46:46
↑ 17↓ 861.7%
156 ft elev
23M
10:35/mi
4:00:01
↑ 23↓ 630.6%
116 ft elev
24M
9:56/mi
4:09:57
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:06/mi
4:18:35
↓ 200.3%
20 ft elev
25.2M
11:27/mi
4:22:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:33/mi
4:32:16
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:11:0810:00 /mi⚡ faster
2nd Half
2:21:0810:46 /mi+7.6%
Positive split — 7.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
30:359:513.11 mi30:35
9:51
-
10K
1:00:519:483.10 mi30:16
9:45
-0:06
15K
1:31:209:483.11 mi30:29
9:49
+0:04
20K
2:04:1310:003.11 mi32:53
10:35
+0:46
Half(13.11 mi)
2:11:0810:000.68 mi6:55
10:08
-0:27
25K
2:37:5910:102.42 mi26:51
11:04
+0:56
30K
3:12:4610:203.11 mi34:47
11:12
+0:08
20M
3:27:5110:241.36 mi15:05
11:06
-0:06
21M
3:38:5810:261.00 mi11:07
11:07
+0:01
35K
3:46:4610:260.75 mi7:48
10:26
-0:41
23M
4:00:0110:261.25 mi13:15
10:35
+0:09
24M
4:09:5710:251.00 mi9:56
9:56
-0:39
40K
4:18:3510:240.85 mi8:38
10:06
+0:10
25.2M
4:22:3210:250.35 mi3:57
11:27
+1:21
Finish(26.22 mi)
4:32:1610:241.02 mi9:44
9:33
-1:54
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:33 /mi

Average Pace

10:24 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:14:21

49% of race

Time at Steady Pace

2:13:58

49% of race

Time at Slower Pace

3:57

1% of race

Average Pace: 10:23 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi2519410308103082457899979997
10K3.10 mi24957+23710206+10210206+102247171007610076
15K3.11 mi24818+13910124+8210124+822457899979997
20K3.11 mi25011-19310236-11210236-112253381044610446
Half(13.11 mi)0.68 mi25008+310243-710243-7251341033310333
25K2.42 mi25067-5910290-4710290-47253161047110471
30K3.11 mi24954+11310252+3810252+38243681006010060
20M1.36 mi24873+8110227+2510227+252380998519851
21M1.00 mi24726+14710154+7310154+732171488238823
35K0.75 mi24684+4210140+1410140+142302495719571
23M1.25 mi24562+12210096+4410096+442224091969196
24M1.00 mi24449+11310041+5510041+552119787068706
40K0.85 mi24327+1229984+579984+572079885678567
25.2M0.35 mi24288+399969+159969+152198291549154
Finish(26.22 mi)1.02 mi24212+769947+229947+222139588668866

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24578

Females

9997

F18-39

9997

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24717

Females

10076

F18-39

10076

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24578

Females

9997

F18-39

9997

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25338

Females

10446

F18-39

10446

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25134

Females

10333

F18-39

10333

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25316

Females

10471

F18-39

10471

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24368

Females

10060

F18-39

10060

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23809

Females

9851

F18-39

9851

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21714

Females

8823

F18-39

8823

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

23024

Females

9571

F18-39

9571

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22240

Females

9196

F18-39

9196

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21197

Females

8706

F18-39

8706

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20798

Females

8567

F18-39

8567

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21982

Females

9154

F18-39

9154

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21395

Females

8866

F18-39

8866

Passing Analysis

Category:
Passed
1703
Passed By
721
Net Change
+982
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25194
5K → 10K31982+237#25194#24957
10K → 15K20162+139#24957#24818
15K → 20K80273-193#24818#25011
20K → Half3431+3#25011#25008
Half → 25K88147-59#25008#25067
25K → 30K18067+113#25067#24954
30K → 20M9716+81#24954#24873
20M → 21M1536+147#24873#24726
21M → 35K519+42#24726#24684
35K → 23M13311+122#24684#24562
23M → 24M1207+113#24562#24449
24M → 40K1231+122#24449#24327
40K → 25.2M401+39#24327#24288
25.2M → Finish848+76#24288#24212
TOTALS1703721+982

Passing Charts

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