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BOSTON MARATHON 2025

Amy Sachs

Bib: 24297•F

MD

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 20%
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
8:55/mi
27:43
↑ 97↓ 3451.5%
10K· 6.21 mi
8:56/mi
55:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:56/mi
1:23:14
↑ 67↓ 78
20K· 12.43 mi
9:00/mi
1:51:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:57:17
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:19:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:12/mi
2:47:59
↑ 181↓ 1480.2%
20M
9:15/mi
3:00:33
↑ 64↓ 500.2%
21M
9:39/mi
3:10:12
↑ 106↓ 241.6%
35K· 21.75 mi
9:05/mi
3:17:00
↑ 17↓ 861.7%
23M
9:11/mi
3:28:30
↑ 23↓ 630.6%
24M
8:54/mi
3:37:24
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:45:01
↓ 200.3%
25.2M
9:43/mi
3:48:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:35/mi
3:57:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:17
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time1:59:50
Pace9:08 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4127:438:5527:43
8:55
-
10K
6.21 mi11:53:2755:298:5627:46
8:56
+0:01
15K
9.32 mi12:21:121:23:148:5627:45
8:56
0:00
20K
12.43 mi12:49:091:51:118:5727:57
9:00
+0:04
Half
13.11 mi12:55:151:57:178:576:06
8:56
-0:04
25K
15.53 mi13:17:212:19:238:5822:06
9:07
+0:11
30K
18.64 mi13:45:572:47:599:0128:36
9:12
+0:05
20M
20.00 mi13:58:313:00:339:0212:34
9:15
+0:03
21M
21.00 mi14:08:103:10:129:039:39
9:39
+0:24
35K
21.75 mi14:14:583:17:009:036:48
9:05
-0:34
23M
23.00 mi14:26:283:28:309:0411:30
9:11
+0:06
24M
24.00 mi14:35:223:37:249:048:54
8:54
-0:17
40K
24.85 mi14:42:593:45:019:037:37
8:54
0:00
25.2M
25.20 mi14:46:203:48:229:043:21
9:43
+0:49
Finish
26.22 mi14:55:053:57:079:038:45
8:35
-1:08

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

8:35 /mi

Average Pace

9:03 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:44:07

95% of race

Time at Steady Pace

13:00

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:03 /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 mi11:25:4127:438:5527:43
8:55
#22096
10K
6.21 mi11:53:2755:298:5627:46
8:56
#22108
15K
9.32 mi12:21:121:23:148:5627:45
8:56
#21963
20K
12.43 mi12:49:091:51:118:5727:57
9:00
#21689
Half
13.11 mi12:55:151:57:178:576:06
8:56
#21673
25K
15.53 mi13:17:212:19:238:5822:06
9:07
#21443
30K
18.64 mi13:45:572:47:599:0128:36
9:12
#20926
20M
20.00 mi13:58:313:00:339:0212:34
9:15
#20683
21M
21.00 mi14:08:103:10:129:039:39
9:39
#20467
35K
21.75 mi14:14:583:17:009:036:48
9:05
#20392
23M
23.00 mi14:26:283:28:309:0411:30
9:11
#20211
24M
24.00 mi14:35:223:37:249:048:54
8:54
#20089
40K
24.85 mi14:42:593:45:019:037:37
8:54
#19939
25.2M
25.20 mi14:46:203:48:229:043:21
9:43
#19874
Finish
26.22 mi14:55:053:57:079:038:45
8:35
#19762
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi220968680868021709(Top 76%)8381(Top 69%)8381(Top 1343%)
10K6.21 mi3.10 mi22108-128674+68674+622108(Top 78%)8657(Top 71%)8657(Top 1387%)
15K9.32 mi3.11 mi21963+1458582+928582+9221709(Top 76%)8381(Top 69%)8381(Top 1343%)
20K12.43 mi3.11 mi21689+2748432+1508432+15020949(Top 74%)8024(Top 66%)8024(Top 1286%)
Half13.11 mi0.68 mi21673+168421+118421+1121575(Top 76%)8344(Top 68%)8344(Top 1337%)
25K15.53 mi2.42 mi21443+2308291+1308291+13020430(Top 72%)7773(Top 64%)7773(Top 1246%)
30K18.64 mi3.11 mi20926+5178048+2438048+24318670(Top 66%)6936(Top 57%)6936(Top 1112%)
20M20.00 mi1.36 mi20683+2437932+1167932+11618057(Top 64%)6752(Top 55%)6752(Top 1082%)
21M21.00 mi1.00 mi20467+2167839+937839+9316820(Top 59%)6169(Top 50%)6169(Top 989%)
35K21.75 mi0.75 mi20392+757808+317808+3118697(Top 66%)7305(Top 60%)7305(Top 1171%)
23M23.00 mi1.25 mi20211+1817733+757733+7517284(Top 61%)6600(Top 54%)6600(Top 1058%)
24M24.00 mi1.00 mi20089+1227683+507683+5016889(Top 59%)6443(Top 53%)6443(Top 1033%)
40K24.85 mi0.85 mi19939+1507622+617622+6115844(Top 56%)5973(Top 49%)5973(Top 957%)
25.2M25.20 mi0.35 mi19874+657599+237599+2315794(Top 56%)6005(Top 49%)6005(Top 962%)
Finish26.22 mi1.02 mi19762+1127549+507549+5016803(Top 59%)6464(Top 53%)6464(Top 1036%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21709

Females

8381

F60-64

8381

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22108

Females

8657

F60-64

8657

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21709

Females

8381

F60-64

8381

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

20949

Females

8024

F60-64

8024

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21575

Females

8344

F60-64

8344

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20430

Females

7773

F60-64

7773

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18670

Females

6936

F60-64

6936

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18057

Females

6752

F60-64

6752

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16820

Females

6169

F60-64

6169

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18697

Females

7305

F60-64

7305

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17284

Females

6600

F60-64

6600

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16889

Females

6443

F60-64

6443

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15844

Females

5973

F60-64

5973

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15794

Females

6005

F60-64

6005

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16803

Females

6464

F60-64

6464

Passing Analysis

Category:
Athletes Passed
2942
Passed By
608
Net Change
+2334
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22096
5K → 10K254266-12#22096#22108
10K → 15K263118+145#22108#21963
15K → 20K34167+274#21963#21689
20K → Half3923+16#21689#21673
Half → 25K26838+230#21673#21443
25K → 30K53013+517#21443#20926
30K → 20M25815+243#20926#20683
20M → 21M2193+216#20683#20467
21M → 35K9621+75#20467#20392
35K → 23M19817+181#20392#20211
23M → 24M1297+122#20211#20089
24M → 40K1522+150#20089#19939
40K → 25.2M683+65#19939#19874
25.2M → Finish12715+112#19874#19762
TOTALS2942608+2334
📊

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