Boston Marathon logo
BOSTON MARATHON 2025

Mary Sagen

Bib: 18717•F

TN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
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
8:00/mi
24:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
49:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:14:34
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:39:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:45:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:16/mi
2:05:11
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:31:08
↑ 181↓ 1480.2%
20M
8:28/mi
2:42:38
↑ 64↓ 500.2%
21M
8:45/mi
2:51:23
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:57:37
↑ 17↓ 861.7%
23M
8:30/mi
3:08:16
↑ 23↓ 630.6%
24M
8:19/mi
3:16:35
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:23:48
↓ 200.3%
25.2M
8:59/mi
3:26:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:34:56
↑ 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
Time1:45:09
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:49:47
Pace8:22 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1224:508:0024:50
8:00
-
10K
6.21 mi11:40:5949:377:5924:47
7:59
-0:01
15K
9.32 mi12:05:561:14:348:0024:57
8:02
+0:03
20K
12.43 mi12:31:031:39:418:0125:07
8:05
+0:03
Half
13.11 mi12:36:311:45:098:015:28
8:01
-0:04
25K
15.53 mi12:56:332:05:118:0420:02
8:16
+0:15
30K
18.64 mi13:22:302:31:088:0625:57
8:21
+0:05
20M
20.00 mi13:34:002:42:388:0811:30
8:28
+0:07
21M
21.00 mi13:42:452:51:238:108:45
8:45
+0:17
35K
21.75 mi13:48:592:57:378:106:14
8:20
-0:25
23M
23.00 mi13:59:383:08:168:1110:39
8:30
+0:10
24M
24.00 mi14:07:573:16:358:118:19
8:19
-0:11
40K
24.85 mi14:15:103:23:488:127:13
8:26
+0:07
25.2M
25.20 mi14:18:163:26:548:133:06
8:59
+0:33
Finish
26.22 mi14:26:183:34:568:128:02
7:53
-1:06

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

7:53 /mi

Average Pace

8:12 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:05

94% of race

Time at Steady Pace

11:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:16:1224:508:0024:50
8:00
#16535
10K
6.21 mi11:40:5949:377:5924:47
7:59
#16388
15K
9.32 mi12:05:561:14:348:0024:57
8:02
#16336
20K
12.43 mi12:31:031:39:418:0125:07
8:05
#16100
Half
13.11 mi12:36:311:45:098:015:28
8:01
#16105
25K
15.53 mi12:56:332:05:118:0420:02
8:16
#16016
30K
18.64 mi13:22:302:31:088:0625:57
8:21
#15561
20M
20.00 mi13:34:002:42:388:0811:30
8:28
#15375
21M
21.00 mi13:42:452:51:238:108:45
8:45
#15111
35K
21.75 mi13:48:592:57:378:106:14
8:20
#15065
23M
23.00 mi13:59:383:08:168:1110:39
8:30
#14914
24M
24.00 mi14:07:573:16:358:118:19
8:19
#14820
40K
24.85 mi14:15:103:23:488:127:13
8:26
#14742
25.2M
25.20 mi14:18:163:26:548:133:06
8:59
#14667
Finish
26.22 mi14:26:183:34:568:128:02
7:53
#14558
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi165355471547116281(Top 57%)5301(Top 43%)5301(Top 97%)
10K6.21 mi3.10 mi16388+1475375+965375+9616300(Top 57%)5307(Top 43%)5307(Top 97%)
15K9.32 mi3.11 mi16336+525334+415334+4116281(Top 57%)5301(Top 43%)5301(Top 97%)
20K12.43 mi3.11 mi16100+2365213+1215213+12115543(Top 55%)4935(Top 40%)4935(Top 90%)
Half13.11 mi0.68 mi16105-55217-45217-416024(Top 56%)5185(Top 42%)5185(Top 95%)
25K15.53 mi2.42 mi16016+895173+445173+4415682(Top 55%)5116(Top 42%)5116(Top 94%)
30K18.64 mi3.11 mi15561+4554977+1964977+19613857(Top 49%)4290(Top 35%)4290(Top 78%)
20M20.00 mi1.36 mi15375+1864910+674910+6713562(Top 48%)4279(Top 35%)4279(Top 78%)
21M21.00 mi1.00 mi15111+2644788+1224788+12212029(Top 42%)3622(Top 30%)3622(Top 66%)
35K21.75 mi0.75 mi15065+464778+104778+1014501(Top 51%)4955(Top 41%)4955(Top 91%)
23M23.00 mi1.25 mi14914+1514714+644714+6413372(Top 47%)4468(Top 37%)4468(Top 82%)
24M24.00 mi1.00 mi14820+944695+194695+1913400(Top 47%)4521(Top 37%)4521(Top 83%)
40K24.85 mi0.85 mi14742+784688+74688+713077(Top 46%)4488(Top 37%)4488(Top 82%)
25.2M25.20 mi0.35 mi14667+754651+374651+3711829(Top 42%)3905(Top 32%)3905(Top 71%)
Finish26.22 mi1.02 mi14558+1094629+224629+2212096(Top 43%)3984(Top 33%)3984(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16281

Females

5301

F18-39

5301

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16300

Females

5307

F18-39

5307

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16281

Females

5301

F18-39

5301

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15543

Females

4935

F18-39

4935

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

16024

Females

5185

F18-39

5185

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15682

Females

5116

F18-39

5116

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13857

Females

4290

F18-39

4290

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13562

Females

4279

F18-39

4279

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

12029

Females

3622

F18-39

3622

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14501

Females

4955

F18-39

4955

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13372

Females

4468

F18-39

4468

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13400

Females

4521

F18-39

4521

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13077

Females

4488

F18-39

4488

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11829

Females

3905

F18-39

3905

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12096

Females

3984

F18-39

3984

Passing Analysis

Category:
Athletes Passed
2861
Passed By
884
Net Change
+1977
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16535
5K → 10K369222+147#16535#16388
10K → 15K232180+52#16388#16336
15K → 20K32993+236#16336#16100
20K → Half2833-5#16100#16105
Half → 25K209120+89#16105#16016
25K → 30K50045+455#16016#15561
30K → 20M21024+186#15561#15375
20M → 21M27410+264#15375#15111
21M → 35K7933+46#15111#15065
35K → 23M19140+151#15065#14914
23M → 24M11824+94#14914#14820
24M → 40K10830+78#14820#14742
40K → 25.2M838+75#14742#14667
25.2M → Finish13122+109#14667#14558
TOTALS2861884+1977
📊

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