Boston Marathon logo
BOSTON MARATHON 2025

Isabelle Raymond Polli

Bib: 23789•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
8:41/mi
26:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:36/mi
1:20:34
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:47:38
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:53:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:49/mi
2:14:56
↑ 66↓ 880.2%
30K· 18.64 mi
9:32/mi
2:44:33
↑ 181↓ 1480.2%
20M
9:47/mi
2:57:51
↑ 64↓ 500.2%
21M
10:28/mi
3:08:19
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:15:03
↑ 17↓ 861.7%
23M
9:30/mi
3:26:57
↑ 23↓ 630.6%
24M
9:05/mi
3:36:02
↓ 821.3%
40K· 24.85 mi
10:09/mi
3:44:43
↓ 200.3%
25.2M
11:10/mi
3:48:34
↑ 13↓ 160.2%
Finish· 26.22 mi
9:12/mi
3:57:57
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:33
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:04:24
Pace9:29 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0826:588:4126:58
8:41
-
10K
6.21 mi11:52:0053:508:4026:52
8:39
-0:02
15K
9.32 mi12:18:441:20:348:3926:44
8:36
-0:03
20K
12.43 mi12:45:481:47:388:4027:04
8:43
+0:07
Half
13.11 mi12:51:431:53:338:405:55
8:40
-0:03
25K
15.53 mi13:13:062:14:568:4121:23
8:49
+0:09
30K
18.64 mi13:42:432:44:338:5029:37
9:32
+0:43
20M
20.00 mi13:56:012:57:518:5413:18
9:47
+0:15
21M
21.00 mi14:06:293:08:198:5810:28
10:28
+0:41
35K
21.75 mi14:13:133:15:038:586:44
9:00
-1:28
23M
23.00 mi14:25:073:26:579:0011:54
9:30
+0:30
24M
24.00 mi14:34:123:36:029:009:05
9:05
-0:25
40K
24.85 mi14:42:533:44:439:028:41
10:09
+1:04
25.2M
25.20 mi14:46:443:48:349:043:51
11:10
+1:01
Finish
26.22 mi14:56:073:57:579:059:23
9:12
-1:58

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

8:36 /mi

Average Pace

9:05 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:29

36% of race

Time at Steady Pace

1:13:39

31% of race

Time at Slower Pace

1:17:49

33% of race

Average Pace: 9:05 /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 mi11:25:0826:588:4126:58
8:41
#20923
10K
6.21 mi11:52:0053:508:4026:52
8:39
#20724
15K
9.32 mi12:18:441:20:348:3926:44
8:36
#20443
20K
12.43 mi12:45:481:47:388:4027:04
8:43
#20200
Half
13.11 mi12:51:431:53:338:405:55
8:40
#20195
25K
15.53 mi13:13:062:14:568:4121:23
8:49
#19985
30K
18.64 mi13:42:432:44:338:5029:37
9:32
#20029
20M
20.00 mi13:56:012:57:518:5413:18
9:47
#20049
21M
21.00 mi14:06:293:08:198:5810:28
10:28
#20025
35K
21.75 mi14:13:133:15:038:586:44
9:00
#19965
23M
23.00 mi14:25:073:26:579:0011:54
9:30
#19904
24M
24.00 mi14:34:123:36:029:009:05
9:05
#19810
40K
24.85 mi14:42:533:44:439:028:41
10:09
#19872
25.2M
25.20 mi14:46:443:48:349:043:51
11:10
#19901
Finish
26.22 mi14:56:073:57:579:059:23
9:12
#19929
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi209238033803319959(Top 70%)7418(Top 61%)7418(Top 569%)
10K6.21 mi3.10 mi20724+1997900+1337900+13320598(Top 73%)7803(Top 64%)7803(Top 599%)
15K9.32 mi3.11 mi20443+2817725+1757725+17519959(Top 70%)7418(Top 61%)7418(Top 569%)
20K12.43 mi3.11 mi20200+2437591+1347591+13419475(Top 69%)7190(Top 59%)7190(Top 552%)
Half13.11 mi0.68 mi20195+57592-17592-120246(Top 71%)7619(Top 62%)7619(Top 585%)
25K15.53 mi2.42 mi19985+2107473+1197473+11919041(Top 67%)6999(Top 57%)6999(Top 537%)
30K18.64 mi3.11 mi20029-447544-717544-7120071(Top 71%)7693(Top 63%)7693(Top 590%)
20M20.00 mi1.36 mi20049-207575-317575-3120263(Top 71%)7942(Top 65%)7942(Top 610%)
21M21.00 mi1.00 mi20025+247586-117586-1119913(Top 70%)7861(Top 64%)7861(Top 603%)
35K21.75 mi0.75 mi19965+607568+187568+1818272(Top 64%)7064(Top 58%)7064(Top 542%)
23M23.00 mi1.25 mi19904+617567+17567+118737(Top 66%)7372(Top 60%)7372(Top 566%)
24M24.00 mi1.00 mi19810+947540+277540+2717825(Top 63%)6945(Top 57%)6945(Top 533%)
40K24.85 mi0.85 mi19872-627592-527592-5220958(Top 74%)8644(Top 71%)8644(Top 663%)
25.2M25.20 mi0.35 mi19901-297612-207612-2021140(Top 74%)8723(Top 71%)8723(Top 669%)
Finish26.22 mi1.02 mi19929-287645-337645-3319997(Top 70%)8145(Top 67%)8145(Top 625%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19959

Females

7418

F50-54

7418

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20598

Females

7803

F50-54

7803

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19959

Females

7418

F50-54

7418

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19475

Females

7190

F50-54

7190

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20246

Females

7619

F50-54

7619

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19041

Females

6999

F50-54

6999

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20071

Females

7693

F50-54

7693

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20263

Females

7942

F50-54

7942

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19913

Females

7861

F50-54

7861

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18272

Females

7064

F50-54

7064

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18737

Females

7372

F50-54

7372

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17825

Females

6945

F50-54

6945

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20958

Females

8644

F50-54

8644

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21140

Females

8723

F50-54

8723

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19997

Females

8145

F50-54

8145

Passing Analysis

Category:
Athletes Passed
2200
Passed By
1206
Net Change
+994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20923
5K → 10K390191+199#20923#20724
10K → 15K36180+281#20724#20443
15K → 20K31067+243#20443#20200
20K → Half3227+5#20200#20195
Half → 25K26757+210#20195#19985
25K → 30K213257-44#19985#20029
30K → 20M99119-20#20029#20049
20M → 21M10278+24#20049#20025
21M → 35K7818+60#20025#19965
35K → 23M11554+61#19965#19904
23M → 24M11824+94#19904#19810
24M → 40K44106-62#19810#19872
40K → 25.2M1948-29#19872#19901
25.2M → Finish5280-28#19901#19929
TOTALS22001206+994
📊

Passing Visuals

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