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BOSTON MARATHON 2025

Heidi Sachs

Bib: 25296•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:31
Rank: #23154
Start → 5K
28:31 | 9:11/mi
10K· 6.21 mi
57:38
Rank: #23463 (-309)
5K → 10K
29:07 | 9:22/mi
15K· 9.32 mi
1:26:33
Rank: #23390 (+73)
10K → 15K
28:55 | 9:18/mi
20K· 12.43 mi
1:55:29
Rank: #23116 (+274)
15K → 20K
28:56 | 9:19/mi
Half· 13.11 mi
2:01:43
Rank: #23080 (+36)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:24:33
Rank: #22809 (+271)
Half → 25K
22:50 | 9:25/mi
30K· 18.64 mi
2:55:17
Rank: #22501 (+308)
25K → 30K
30:44 | 9:54/mi
20M
3:08:26
Rank: #22314 (+187)
30K → 20M
13:09 | 9:41/mi
21M
3:18:44
Rank: #22126 (+188)
20M → 21M
10:18 | 10:18/mi
35K· 21.75 mi
3:25:35
Rank: #22012 (+114)
21M → 35K
6:51 | 9:09/mi
23M
3:37:37
Rank: #21825 (+187)
35K → 23M
12:02 | 9:37/mi
24M
3:47:05
Rank: #21742 (+83)
23M → 24M
9:28 | 9:28/mi
40K· 24.85 mi
3:55:23
Rank: #21643 (+99)
24M → 40K
8:18 | 9:42/mi
25.2M
3:59:01
Rank: #21594 (+49)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
4:08:43
Rank: #21573 (+21)
25.2M → Finish
9:42 | 9:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:43
Pace9:17 /mi
2nd Half
Distance13.11 mi
Time2:07:00
Pace9:41 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:4328:319:1128:31
9:11
-
10K
6.21 mi11:57:5057:389:1729:07
9:22
+0:11
15K
9.32 mi12:26:451:26:339:1728:55
9:18
-0:04
20K
12.43 mi12:55:411:55:299:1828:56
9:19
+0:01
Half
13.11 mi13:01:552:01:439:176:14
9:08
-0:11
25K
15.53 mi13:24:452:24:339:1822:50
9:25
+0:17
30K
18.64 mi13:55:292:55:179:2430:44
9:54
+0:29
20M
20.00 mi14:08:383:08:269:2513:09
9:41
-0:13
21M
21.00 mi14:18:563:18:449:2810:18
10:18
+0:37
35K
21.75 mi14:25:473:25:359:276:51
9:09
-1:09
23M
23.00 mi14:37:493:37:379:2812:02
9:37
+0:28
24M
24.00 mi14:47:173:47:059:289:28
9:28
-0:09
40K
24.85 mi14:55:353:55:239:288:18
9:42
+0:14
25.2M
25.20 mi14:59:133:59:019:293:38
10:32
+0:50
Finish
26.22 mi15:08:554:08:439:309:42
9:31
-1:01

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

9:08 /mi

Average Pace

9:30 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:54:47

94% of race

Time at Steady Pace

13:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:29 /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 mi11:28:4328:319:1128:31
9:11
#23154
10K
6.21 mi11:57:5057:389:1729:07
9:22
#23463
15K
9.32 mi12:26:451:26:339:1728:55
9:18
#23390
20K
12.43 mi12:55:411:55:299:1828:56
9:19
#23116
Half
13.11 mi13:01:552:01:439:176:14
9:08
#23080
25K
15.53 mi13:24:452:24:339:1822:50
9:25
#22809
30K
18.64 mi13:55:292:55:179:2430:44
9:54
#22501
20M
20.00 mi14:08:383:08:269:2513:09
9:41
#22314
21M
21.00 mi14:18:563:18:449:2810:18
10:18
#22126
35K
21.75 mi14:25:473:25:359:276:51
9:09
#22012
23M
23.00 mi14:37:493:37:379:2812:02
9:37
#21825
24M
24.00 mi14:47:173:47:059:289:28
9:28
#21742
40K
24.85 mi14:55:353:55:239:288:18
9:42
#21643
25.2M
25.20 mi14:59:133:59:019:293:38
10:32
#21594
Finish
26.22 mi15:08:554:08:439:309:42
9:31
#21573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi231549249924923239(Top 82%)9228(Top 75%)9228(Top 1479%)
10K6.21 mi3.10 mi23463-3099399-1509399-15023757(Top 84%)9543(Top 78%)9543(Top 1529%)
15K9.32 mi3.11 mi23390+739343+569343+5623239(Top 82%)9228(Top 75%)9228(Top 1479%)
20K12.43 mi3.11 mi23116+2749191+1529191+15222306(Top 79%)8754(Top 72%)8754(Top 1403%)
Half13.11 mi0.68 mi23080+369170+219170+2122394(Top 79%)8824(Top 72%)8824(Top 1414%)
25K15.53 mi2.42 mi22809+2719040+1309040+13021615(Top 76%)8435(Top 69%)8435(Top 1352%)
30K18.64 mi3.11 mi22501+3088913+1278913+12721282(Top 75%)8392(Top 69%)8392(Top 1345%)
20M20.00 mi1.36 mi22314+1878826+878826+8719881(Top 70%)7719(Top 63%)7719(Top 1237%)
21M21.00 mi1.00 mi22126+1888735+918735+9119400(Top 68%)7560(Top 62%)7560(Top 1212%)
35K21.75 mi0.75 mi22012+1148683+528683+5219029(Top 67%)7480(Top 61%)7480(Top 1199%)
23M23.00 mi1.25 mi21825+1878621+628621+6219144(Top 67%)7588(Top 62%)7588(Top 1216%)
24M24.00 mi1.00 mi21742+838595+268595+2619535(Top 69%)7849(Top 64%)7849(Top 1258%)
40K24.85 mi0.85 mi21643+998563+328563+3219529(Top 69%)7912(Top 65%)7912(Top 1268%)
25.2M25.20 mi0.35 mi21594+498540+238540+2319202(Top 68%)7757(Top 63%)7757(Top 1243%)
Finish26.22 mi1.02 mi21573+218541-18541-121247(Top 75%)8785(Top 72%)8785(Top 1408%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23239

Females

9228

F60-64

9228

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23757

Females

9543

F60-64

9543

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23239

Females

9228

F60-64

9228

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22306

Females

8754

F60-64

8754

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22394

Females

8824

F60-64

8824

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21615

Females

8435

F60-64

8435

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21282

Females

8392

F60-64

8392

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19881

Females

7719

F60-64

7719

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19400

Females

7560

F60-64

7560

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

19029

Females

7480

F60-64

7480

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

19144

Females

7588

F60-64

7588

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19535

Females

7849

F60-64

7849

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19529

Females

7912

F60-64

7912

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19202

Females

7757

F60-64

7757

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21247

Females

8785

F60-64

8785

Passing Analysis

Category:
Athletes Passed
2346
Passed By
765
Net Change
+1581
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23154
5K → 10K115424-309#23154#23463
10K → 15K210137+73#23463#23390
15K → 20K30733+274#23390#23116
20K → Half4610+36#23116#23080
Half → 25K29524+271#23080#22809
25K → 30K34840+308#22809#22501
30K → 20M1958+187#22501#22314
20M → 21M1968+188#22314#22126
21M → 35K1173+114#22126#22012
35K → 23M19811+187#22012#21825
23M → 24M9613+83#21825#21742
24M → 40K11213+99#21742#21643
40K → 25.2M534+49#21643#21594
25.2M → Finish5837+21#21594#21573
TOTALS2346765+1581
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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