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BOSTON MARATHON 2025

Sarah Staiano

Bib: 22610•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 31%
Division (F45-49)
#0 / 1813
Top 37%
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
8:02/mi
24:56
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:15:39
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:41:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:47:29
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:07:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:35:00
↑ 181↓ 1480.2%
20M
8:48/mi
2:46:58
↑ 64↓ 500.2%
21M
9:31/mi
2:56:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
3:02:42
↑ 17↓ 861.7%
23M
8:42/mi
3:13:36
↑ 23↓ 630.6%
24M
8:08/mi
3:21:44
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:28:42
↓ 200.3%
25.2M
9:25/mi
3:31:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:39:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:29
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:52:25
Pace8:35 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5324:568:0224:56
8:02
-
10K
6.21 mi11:46:0450:078:0425:11
8:06
+0:04
15K
9.32 mi12:11:361:15:398:0725:32
8:13
+0:07
20K
12.43 mi12:37:431:41:468:1126:07
8:24
+0:11
Half
13.11 mi12:43:261:47:298:125:43
8:23
-0:01
25K
15.53 mi13:03:452:07:488:1420:19
8:23
0:00
30K
18.64 mi13:30:572:35:008:1927:12
8:45
+0:22
20M
20.00 mi13:42:552:46:588:2111:58
8:48
+0:03
21M
21.00 mi13:52:262:56:298:249:31
9:31
+0:43
35K
21.75 mi13:58:393:02:428:246:13
8:19
-1:12
23M
23.00 mi14:09:333:13:368:2510:54
8:42
+0:23
24M
24.00 mi14:17:413:21:448:248:08
8:08
-0:34
40K
24.85 mi14:24:393:28:428:246:58
8:09
+0:01
25.2M
25.20 mi14:27:543:31:578:253:15
9:25
+1:16
Finish
26.22 mi14:35:513:39:548:247:57
7:48
-1:37

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

7:48 /mi

Average Pace

8:24 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:12

30% of race

Time at Steady Pace

1:30:52

41% of race

Time at Slower Pace

1:02:50

29% of race

Average Pace: 8:23 /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 mi11:20:5324:568:0224:56
8:02
#16799
10K
6.21 mi11:46:0450:078:0425:11
8:06
#17008
15K
9.32 mi12:11:361:15:398:0725:32
8:13
#17201
20K
12.43 mi12:37:431:41:468:1126:07
8:24
#17271
Half
13.11 mi12:43:261:47:298:125:43
8:23
#17319
25K
15.53 mi13:03:452:07:488:1420:19
8:23
#17126
30K
18.64 mi13:30:572:35:008:1927:12
8:45
#16917
20M
20.00 mi13:42:552:46:588:2111:58
8:48
#16808
21M
21.00 mi13:52:262:56:298:249:31
9:31
#16734
35K
21.75 mi13:58:393:02:428:246:13
8:19
#16622
23M
23.00 mi14:09:333:13:368:2510:54
8:42
#16447
24M
24.00 mi14:17:413:21:448:248:08
8:08
#16238
40K
24.85 mi14:24:393:28:428:246:58
8:09
#16060
25.2M
25.20 mi14:27:543:31:578:253:15
9:25
#16011
Finish
26.22 mi14:35:513:39:548:247:57
7:48
#15834
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi167995630563017506(Top 62%)6014(Top 49%)6014(Top 332%)
10K6.21 mi3.10 mi17008-2095732-1025732-10217246(Top 61%)5850(Top 48%)5850(Top 323%)
15K9.32 mi3.11 mi17201-1935832-1005832-10017506(Top 62%)6014(Top 49%)6014(Top 332%)
20K12.43 mi3.11 mi17271-705898-665898-6617590(Top 62%)6102(Top 50%)6102(Top 337%)
Half13.11 mi0.68 mi17319-485936-385936-3818558(Top 65%)6672(Top 55%)6672(Top 368%)
25K15.53 mi2.42 mi17126+1935840+965840+9616408(Top 58%)5542(Top 45%)5542(Top 306%)
30K18.64 mi3.11 mi16917+2095762+785762+7816330(Top 57%)5647(Top 46%)5647(Top 311%)
20M20.00 mi1.36 mi16808+1095723+395723+3915710(Top 55%)5423(Top 44%)5423(Top 299%)
21M21.00 mi1.00 mi16734+745720+35720+316173(Top 57%)5800(Top 47%)5800(Top 320%)
35K21.75 mi0.75 mi16622+1125675+455675+4514359(Top 51%)4890(Top 40%)4890(Top 270%)
23M23.00 mi1.25 mi16447+1755597+785597+7814614(Top 51%)5134(Top 42%)5134(Top 283%)
24M24.00 mi1.00 mi16238+2095515+825515+8212184(Top 43%)3900(Top 32%)3900(Top 215%)
40K24.85 mi0.85 mi16060+1785443+725443+7211281(Top 40%)3565(Top 29%)3565(Top 197%)
25.2M25.20 mi0.35 mi16011+495426+175426+1714231(Top 50%)5151(Top 42%)5151(Top 284%)
Finish26.22 mi1.02 mi15834+1775350+765350+7611496(Top 40%)3713(Top 30%)3713(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17506

Females

6014

F45-49

6014

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17246

Females

5850

F45-49

5850

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17506

Females

6014

F45-49

6014

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17590

Females

6102

F45-49

6102

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18558

Females

6672

F45-49

6672

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16408

Females

5542

F45-49

5542

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16330

Females

5647

F45-49

5647

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15710

Females

5423

F45-49

5423

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16173

Females

5800

F45-49

5800

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14359

Females

4890

F45-49

4890

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14614

Females

5134

F45-49

5134

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12184

Females

3900

F45-49

3900

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11281

Females

3565

F45-49

3565

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14231

Females

5151

F45-49

5151

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11496

Females

3713

F45-49

3713

Passing Analysis

Category:
Athletes Passed
2369
Passed By
1404
Net Change
+965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16799
5K → 10K213422-209#16799#17008
10K → 15K131324-193#17008#17201
15K → 20K168238-70#17201#17271
20K → Half1967-48#17271#17319
Half → 25K25562+193#17319#17126
25K → 30K322113+209#17126#16917
30K → 20M15041+109#16917#16808
20M → 21M14167+74#16808#16734
21M → 35K12614+112#16734#16622
35K → 23M19924+175#16622#16447
23M → 24M2145+209#16447#16238
24M → 40K1846+178#16238#16060
40K → 25.2M578+49#16060#16011
25.2M → Finish19013+177#16011#15834
TOTALS23691404+965
📊

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