Boston Marathon logo
BOSTON MARATHON 2025

Isabell Schwenkert

Bib: 20718•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 (F45-49)
#0 / 1813
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
8:03/mi
25:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
50:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:16:07
↑ 67↓ 78
20K· 12.43 mi
8:40/mi
1:43:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:48:56
↑ 19↓ 370.5%
25K· 15.53 mi
9:31/mi
2:12:01
↑ 66↓ 880.2%
30K· 18.64 mi
10:09/mi
2:43:32
↑ 181↓ 1480.2%
20M
10:11/mi
2:57:22
↑ 64↓ 500.2%
21M
11:14/mi
3:08:36
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:16:07
↑ 17↓ 861.7%
23M
11:48/mi
3:30:53
↑ 23↓ 630.6%
24M
11:34/mi
3:42:27
↓ 821.3%
40K· 24.85 mi
10:16/mi
3:51:14
↓ 200.3%
25.2M
11:01/mi
3:55:02
↑ 13↓ 160.2%
Finish· 26.22 mi
10:04/mi
4:05:17
↑ 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
Time1:48:56
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:16:21
Pace10:24 /mi
📊Positive Split: 25.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1925:028:0325:02
8:03
-
10K
6.21 mi11:43:3850:218:0625:19
8:09
+0:06
15K
9.32 mi12:09:241:16:078:1025:46
8:18
+0:09
20K
12.43 mi12:36:191:43:028:1726:55
8:40
+0:22
Half
13.11 mi12:42:131:48:568:195:54
8:39
-0:01
25K
15.53 mi13:05:182:12:018:3023:05
9:31
+0:52
30K
18.64 mi13:36:492:43:328:4631:31
10:09
+0:38
20M
20.00 mi13:50:392:57:228:5213:50
10:11
+0:02
21M
21.00 mi14:01:533:08:368:5911:14
11:14
+1:03
35K
21.75 mi14:09:243:16:079:017:31
10:03
-1:11
23M
23.00 mi14:24:103:30:539:1014:46
11:48
+1:45
24M
24.00 mi14:35:443:42:279:1611:34
11:34
-0:14
40K
24.85 mi14:44:313:51:149:188:47
10:16
-1:18
25.2M
25.20 mi14:48:193:55:029:203:48
11:01
+0:45
Finish
26.22 mi14:58:344:05:179:2210:15
10:04
-0:57

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

8:03 /mi

Average Pace

9:22 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:56

44% of race

Time at Steady Pace

1:34:59

39% of race

Time at Slower Pace

41:22

17% of race

Average Pace: 9:21 /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 mi11:18:1925:028:0325:02
8:03
#17087
10K
6.21 mi11:43:3850:218:0625:19
8:09
#17287
15K
9.32 mi12:09:241:16:078:1025:46
8:18
#17544
20K
12.43 mi12:36:191:43:028:1726:55
8:40
#17949
Half
13.11 mi12:42:131:48:568:195:54
8:39
#18040
25K
15.53 mi13:05:182:12:018:3023:05
9:31
#18890
30K
18.64 mi13:36:492:43:328:4631:31
10:09
#19715
20M
20.00 mi13:50:392:57:228:5213:50
10:11
#19924
21M
21.00 mi14:01:533:08:368:5911:14
11:14
#20096
35K
21.75 mi14:09:243:16:079:017:31
10:03
#20203
23M
23.00 mi14:24:103:30:539:1014:46
11:48
#20686
24M
24.00 mi14:35:443:42:279:1611:34
11:34
#21000
40K
24.85 mi14:44:313:51:149:188:47
10:16
#21014
25.2M
25.20 mi14:48:193:55:029:203:48
11:01
#21000
Finish
26.22 mi14:58:344:05:179:2210:15
10:04
#21086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi170875791579118025(Top 63%)6336(Top 52%)6336(Top 349%)
10K6.21 mi3.10 mi17287-2005899-1085899-10817560(Top 62%)6041(Top 49%)6041(Top 333%)
15K9.32 mi3.11 mi17544-2576038-1396038-13918025(Top 63%)6336(Top 52%)6336(Top 349%)
20K12.43 mi3.11 mi17949-4056309-2716309-27119234(Top 68%)7045(Top 58%)7045(Top 389%)
Half13.11 mi0.68 mi18040-916365-566365-5620119(Top 71%)7559(Top 62%)7559(Top 417%)
25K15.53 mi2.42 mi18890-8506856-4916856-49121932(Top 77%)8614(Top 70%)8614(Top 475%)
30K18.64 mi3.11 mi19715-8257361-5057361-50522046(Top 78%)8793(Top 72%)8793(Top 485%)
20M20.00 mi1.36 mi19924-2097502-1417502-14121515(Top 76%)8633(Top 71%)8633(Top 476%)
21M21.00 mi1.00 mi20096-1727636-1347636-13422003(Top 77%)8967(Top 73%)8967(Top 495%)
35K21.75 mi0.75 mi20203-1077709-737709-7322045(Top 78%)9053(Top 74%)9053(Top 499%)
23M23.00 mi1.25 mi20686-4837994-2857994-28524756(Top 87%)10473(Top 86%)10473(Top 578%)
24M24.00 mi1.00 mi21000-3148185-1918185-19125010(Top 88%)10634(Top 87%)10634(Top 587%)
40K24.85 mi0.85 mi21014-148216-318216-3121309(Top 75%)8823(Top 72%)8823(Top 487%)
25.2M25.20 mi0.35 mi21000+148210+68210+620738(Top 73%)8522(Top 70%)8522(Top 470%)
Finish26.22 mi1.02 mi21086-868268-588268-5823108(Top 81%)9715(Top 79%)9715(Top 536%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

18025

Females

6336

F45-49

6336

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17560

Females

6041

F45-49

6041

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

18025

Females

6336

F45-49

6336

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19234

Females

7045

F45-49

7045

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20119

Females

7559

F45-49

7559

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21932

Females

8614

F45-49

8614

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22046

Females

8793

F45-49

8793

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21515

Females

8633

F45-49

8633

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

22003

Females

8967

F45-49

8967

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22045

Females

9053

F45-49

9053

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24756

Females

10473

F45-49

10473

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

25010

Females

10634

F45-49

10634

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21309

Females

8823

F45-49

8823

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20738

Females

8522

F45-49

8522

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23108

Females

9715

F45-49

9715

Passing Analysis

Category:
Athletes Passed
782
Passed By
4781
Net Change
-3999
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17087
5K → 10K213413-200#17087#17287
10K → 15K114371-257#17287#17544
15K → 20K85490-405#17544#17949
20K → Half20111-91#17949#18040
Half → 25K28878-850#18040#18890
25K → 30K65890-825#18890#19715
30K → 20M46255-209#19715#19924
20M → 21M52224-172#19924#20096
21M → 35K31138-107#20096#20203
35K → 23M20503-483#20203#20686
23M → 24M10324-314#20686#21000
24M → 40K4256-14#21000#21014
40K → 25.2M3218+14#21014#21000
25.2M → Finish24110-86#21000#21086
TOTALS7824781-3999
📊

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