Boston Marathon logo
BOSTON MARATHON 2025

Courtney Guay

NH

Bib: 27195 F

0:00
0:00
/ mi
Be the first to cheer!
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
8:52/mi
27:33
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:29/mi
53:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:33/mi
1:20:27
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:44/mi
1:47:35
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:26/mi
1:53:20
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:48/mi
2:14:39
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:08/mi
2:43:03
↑ 181↓ 1480.2%
138 ft elev
20M
8:55/mi
2:55:10
↑ 64↓ 500.2%
148 ft elev
21M
9:42/mi
3:04:52
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:12/mi
3:11:00
↑ 17↓ 861.7%
156 ft elev
23M
9:03/mi
3:22:20
↑ 23↓ 630.6%
116 ft elev
24M
8:24/mi
3:30:44
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:56/mi
3:38:22
↓ 200.3%
20 ft elev
25.2M
10:35/mi
3:42:01
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:34/mi
3:50:45
↑ 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
1:53:208:39 /mi⚡ faster
2nd Half
1:57:258:57 /mi+3.6%
Positive split — 3.6% 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
27:338:523.11 mi27:33
8:52
-
10K
53:548:403.10 mi26:21
8:29
-0:23
15K
1:20:278:383.11 mi26:33
8:33
+0:04
20K
1:47:358:393.11 mi27:08
8:44
+0:11
Half(13.11 mi)
1:53:208:390.68 mi5:45
8:26
-0:18
25K
2:14:398:402.42 mi21:19
8:48
+0:22
30K
2:43:038:453.11 mi28:24
9:08
+0:20
20M
2:55:108:451.36 mi12:07
8:55
-0:13
21M
3:04:528:481.00 mi9:42
9:42
+0:47
35K
3:11:008:470.75 mi6:08
8:12
-1:30
23M
3:22:208:481.25 mi11:20
9:03
+0:51
24M
3:30:448:471.00 mi8:24
8:24
-0:39
40K
3:38:228:470.85 mi7:38
8:56
+0:32
25.2M
3:42:018:490.35 mi3:39
10:35
+1:39
Finish(26.22 mi)
3:50:458:481.02 mi8:44
8:34
-2:01
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:12 /mi

Average Pace

8:48 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

46:38

20% of race

Time at Steady Pace

2:22:22

62% of race

Time at Slower Pace

41:45

18% of race

Average Pace: 8:48 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi21842853685361961372267226
10K3.10 mi20772+10707923+6137923+6131969973037303
15K3.11 mi20379+3937688+2357688+2351961372267226
20K3.11 mi20169+2107570+1187570+1181959472587258
Half(13.11 mi)0.68 mi20091+787528+427528+421879067846784
25K2.42 mi19877+2147411+1177411+1171889869206920
30K3.11 mi19574+3037280+1317280+1311836367666766
20M1.36 mi19340+2347176+1047176+1041636858165816
21M1.00 mi19199+1417112+647112+641706262966296
35K0.75 mi19008+1917027+857027+851369045374537
23M1.25 mi18856+1526971+566971+561657762186218
24M1.00 mi18641+2156869+1026869+1021394248094809
40K0.85 mi18519+1226832+376832+371593560156015
25.2M0.35 mi18549-306865-336865-331932378117811
Finish(26.22 mi)1.02 mi18486+636847+186847+181670564106410

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19613

Females

7226

F18-39

7226

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19699

Females

7303

F18-39

7303

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19613

Females

7226

F18-39

7226

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19594

Females

7258

F18-39

7258

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18790

Females

6784

F18-39

6784

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

18898

Females

6920

F18-39

6920

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18363

Females

6766

F18-39

6766

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16368

Females

5816

F18-39

5816

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17062

Females

6296

F18-39

6296

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13690

Females

4537

F18-39

4537

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16577

Females

6218

F18-39

6218

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13942

Females

4809

F18-39

4809

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15935

Females

6015

F18-39

6015

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19323

Females

7811

F18-39

7811

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16705

Females

6410

F18-39

6410

Passing Analysis

Category:
Passed
3827
Passed By
471
Net Change
+3356
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21842
5K → 10K110030+1070#21842#20772
10K → 15K44653+393#20772#20379
15K → 20K28474+210#20379#20169
20K → Half835+78#20169#20091
Half → 25K26046+214#20091#19877
25K → 30K37774+303#19877#19574
30K → 20M24511+234#19574#19340
20M → 21M17837+141#19340#19199
21M → 35K1932+191#19199#19008
35K → 23M17624+152#19008#18856
23M → 24M2183+215#18856#18641
24M → 40K14422+122#18641#18519
40K → 25.2M2959-30#18519#18549
25.2M → Finish9431+63#18549#18486
TOTALS3827471+3356

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing