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BOSTON MARATHON 2025

Sara Blickenstaff

Bib: 22747•F

AR

0:00
0:00
/ mi
Masters
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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
9:06/mi
28:15
↑ 97↓ 3451.5%
10K· 6.21 mi
9:14/mi
56:55
↑ 79↓ 1380.4%
15K· 9.32 mi
9:16/mi
1:25:43
↑ 67↓ 78
20K· 12.43 mi
9:27/mi
1:55:06
↑ 106↓ 860.1%
Half· 13.11 mi
9:24/mi
2:01:31
↑ 19↓ 370.5%
25K· 15.53 mi
9:46/mi
2:25:13
↑ 66↓ 880.2%
30K· 18.64 mi
10:28/mi
2:57:45
↑ 181↓ 1480.2%
20M
10:10/mi
3:11:34
↑ 64↓ 500.2%
21M
10:55/mi
3:22:29
↑ 106↓ 241.6%
35K· 21.75 mi
10:26/mi
3:30:17
↑ 17↓ 861.7%
23M
10:41/mi
3:43:40
↑ 23↓ 630.6%
24M
10:14/mi
3:53:54
↓ 821.3%
40K· 24.85 mi
10:15/mi
4:02:40
↓ 200.3%
25.2M
12:54/mi
4:07:07
↑ 13↓ 160.2%
Finish· 26.22 mi
9:44/mi
4:17:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:31
Pace9:16 /mi
2nd Half
Distance13.11 mi
Time2:15:31
Pace10:20 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4228:159:0628:15
9:06
-
10K
6.21 mi11:55:2256:559:1028:40
9:14
+0:08
15K
9.32 mi12:24:101:25:439:1228:48
9:16
+0:02
20K
12.43 mi12:53:331:55:069:1629:23
9:27
+0:11
Half
13.11 mi12:59:582:01:319:166:25
9:24
-0:03
25K
15.53 mi13:23:402:25:139:2123:42
9:46
+0:22
30K
18.64 mi13:56:122:57:459:3232:32
10:28
+0:42
20M
20.00 mi14:10:013:11:349:3513:49
10:10
-0:18
21M
21.00 mi14:20:563:22:299:3910:55
10:55
+0:45
35K
21.75 mi14:28:443:30:179:407:48
10:26
-0:29
23M
23.00 mi14:42:073:43:409:4313:23
10:41
+0:15
24M
24.00 mi14:52:213:53:549:4510:14
10:14
-0:27
40K
24.85 mi15:01:074:02:409:468:46
10:15
+0:01
25.2M
25.20 mi15:05:344:07:079:484:27
12:54
+2:39
Finish
26.22 mi15:15:294:17:029:499:55
9:44
-3:10

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

9:06 /mi

Average Pace

9:49 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:31

47% of race

Time at Steady Pace

1:46:46

42% of race

Time at Slower Pace

28:45

11% of race

Average Pace: 9:48 /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 mi11:26:4228:159:0628:15
9:06
#22832
10K
6.21 mi11:55:2256:559:1028:40
9:14
#23066
15K
9.32 mi12:24:101:25:439:1228:48
9:16
#23096
20K
12.43 mi12:53:331:55:069:1629:23
9:27
#23027
Half
13.11 mi12:59:582:01:319:166:25
9:24
#23033
25K
15.53 mi13:23:402:25:139:2123:42
9:46
#22947
30K
18.64 mi13:56:122:57:459:3232:32
10:28
#22901
20M
20.00 mi14:10:013:11:349:3513:49
10:10
#22802
21M
21.00 mi14:20:563:22:299:3910:55
10:55
#22695
35K
21.75 mi14:28:443:30:179:407:48
10:26
#22705
23M
23.00 mi14:42:073:43:409:4313:23
10:41
#22672
24M
24.00 mi14:52:213:53:549:4510:14
10:14
#22629
40K
24.85 mi15:01:074:02:409:468:46
10:15
#22579
25.2M
25.20 mi15:05:344:07:079:484:27
12:54
#22615
Finish
26.22 mi15:15:294:17:029:499:55
9:44
#22600
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi228329089908923118(Top 81%)9163(Top 75%)9163(Top 505%)
10K6.21 mi3.10 mi23066-2349185-969185-9623304(Top 82%)9298(Top 76%)9298(Top 513%)
15K9.32 mi3.11 mi23096-309186-19186-123118(Top 81%)9163(Top 75%)9163(Top 505%)
20K12.43 mi3.11 mi23027+699146+409146+4022773(Top 80%)9021(Top 74%)9021(Top 498%)
Half13.11 mi0.68 mi23033-69142+49142+423288(Top 82%)9305(Top 76%)9305(Top 513%)
25K15.53 mi2.42 mi22947+869115+279115+2722715(Top 80%)9039(Top 74%)9039(Top 499%)
30K18.64 mi3.11 mi22901+469130-159130-1522892(Top 81%)9257(Top 76%)9257(Top 511%)
20M20.00 mi1.36 mi22802+999103+279103+2721487(Top 76%)8621(Top 71%)8621(Top 476%)
21M21.00 mi1.00 mi22695+1079057+469057+4621187(Top 75%)8548(Top 70%)8548(Top 471%)
35K21.75 mi0.75 mi22705-109075-189075-1823017(Top 81%)9564(Top 78%)9564(Top 528%)
23M23.00 mi1.25 mi22672+339086-119086-1122503(Top 79%)9343(Top 76%)9343(Top 515%)
24M24.00 mi1.00 mi22629+439089-39089-322051(Top 78%)9160(Top 75%)9160(Top 505%)
40K24.85 mi0.85 mi22579+509071+189071+1821263(Top 75%)8803(Top 72%)8803(Top 486%)
25.2M25.20 mi0.35 mi22615-369106-359106-3524912(Top 88%)10634(Top 87%)10634(Top 587%)
Finish26.22 mi1.02 mi22600+159115-99115-922041(Top 78%)9178(Top 75%)9178(Top 506%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

23118

Females

9163

F45-49

9163

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23304

Females

9298

F45-49

9298

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

23118

Females

9163

F45-49

9163

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22773

Females

9021

F45-49

9021

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23288

Females

9305

F45-49

9305

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22715

Females

9039

F45-49

9039

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22892

Females

9257

F45-49

9257

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21487

Females

8621

F45-49

8621

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21187

Females

8548

F45-49

8548

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

23017

Females

9564

F45-49

9564

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22503

Females

9343

F45-49

9343

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22051

Females

9160

F45-49

9160

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21263

Females

8803

F45-49

8803

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

24912

Females

10634

F45-49

10634

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22041

Females

9178

F45-49

9178

Passing Analysis

Category:
Athletes Passed
1462
Passed By
1230
Net Change
+232
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22832
5K → 10K140374-234#22832#23066
10K → 15K162192-30#23066#23096
15K → 20K192123+69#23096#23027
20K → Half2430-6#23027#23033
Half → 25K17286+86#23033#22947
25K → 30K180134+46#22947#22901
30K → 20M13031+99#22901#22802
20M → 21M12619+107#22802#22695
21M → 35K4656-10#22695#22705
35K → 23M8956+33#22705#22672
23M → 24M8037+43#22672#22629
24M → 40K6313+50#22629#22579
40K → 25.2M1147-36#22579#22615
25.2M → Finish4732+15#22615#22600
TOTALS14621230+232
📊

Passing Visuals

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