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BOSTON MARATHON 2025

Erika Sauer

Bib: 18934•F

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
9:38/mi
29:55
↑ 97↓ 3451.5%
10K· 6.21 mi
10:28/mi
1:02:26
↑ 79↓ 1380.4%
15K· 9.32 mi
10:09/mi
1:33:58
↑ 67↓ 78
20K· 12.43 mi
10:19/mi
2:06:02
↑ 106↓ 860.1%
Half· 13.11 mi
10:26/mi
2:13:09
↑ 19↓ 370.5%
25K· 15.53 mi
11:03/mi
2:39:57
↑ 66↓ 880.2%
30K· 18.64 mi
11:16/mi
3:14:56
↑ 181↓ 1480.2%
20M
10:50/mi
3:29:39
↑ 64↓ 500.2%
21M
15:01/mi
3:44:40
↑ 106↓ 241.6%
35K· 21.75 mi
12:19/mi
3:53:53
↑ 17↓ 861.7%
23M
12:18/mi
4:09:17
↑ 23↓ 630.6%
24M
14:55/mi
4:24:12
↓ 821.3%
40K· 24.85 mi
14:41/mi
4:36:45
↓ 200.3%
25.2M
14:07/mi
4:41:37
↑ 13↓ 160.2%
Finish· 26.22 mi
10:46/mi
4:52:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:09
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:39:26
Pace12:10 /mi
📊Positive Split: 19.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:1729:559:3829:55
9:38
-
10K
6.21 mi12:03:481:02:2610:0332:31
10:28
+0:50
15K
9.32 mi12:35:201:33:5810:0531:32
10:09
-0:19
20K
12.43 mi13:07:242:06:0210:0832:04
10:19
+0:10
Half
13.11 mi13:14:312:13:0910:097:07
10:26
+0:07
25K
15.53 mi13:41:192:39:5710:1826:48
11:03
+0:37
30K
18.64 mi14:16:183:14:5610:2734:59
11:16
+0:13
20M
20.00 mi14:31:013:29:3910:2914:43
10:50
-0:26
21M
21.00 mi14:46:023:44:4010:4215:01
15:01
+4:11
35K
21.75 mi14:55:153:53:5310:459:13
12:19
-2:42
23M
23.00 mi15:10:394:09:1710:5015:24
12:18
-0:01
24M
24.00 mi15:25:344:24:1211:0114:55
14:55
+2:37
40K
24.85 mi15:38:074:36:4511:0812:33
14:41
-0:14
25.2M
25.20 mi15:42:594:41:3711:114:52
14:07
-0:34
Finish
26.22 mi15:53:574:52:3511:1010:58
10:46
-3:21

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

9:38 /mi

Average Pace

11:10 /mi

Slowest Pace

15:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:55

10% of race

Time at Steady Pace

3:10:42

65% of race

Time at Slower Pace

1:11:58

25% of race

Average Pace: 11:10 /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 mi11:31:1729:559:3829:55
9:38
#24625
10K
6.21 mi12:03:481:02:2610:0332:31
10:28
#25541
15K
9.32 mi12:35:201:33:5810:0531:32
10:09
#25491
20K
12.43 mi13:07:242:06:0210:0832:04
10:19
#25319
Half
13.11 mi13:14:312:13:0910:097:07
10:26
#25329
25K
15.53 mi13:41:192:39:5710:1826:48
11:03
#25310
30K
18.64 mi14:16:183:14:5610:2734:59
11:16
#25150
20M
20.00 mi14:31:013:29:3910:2914:43
10:50
#25038
21M
21.00 mi14:46:023:44:4010:4215:01
15:01
#25230
35K
21.75 mi14:55:153:53:5310:459:13
12:19
#25270
23M
23.00 mi15:10:394:09:1710:5015:24
12:18
#25302
24M
24.00 mi15:25:344:24:1211:0114:55
14:55
#25530
40K
24.85 mi15:38:074:36:4511:0812:33
14:41
#25693
25.2M
25.20 mi15:42:594:41:3711:114:52
14:07
#25714
Finish
26.22 mi15:53:574:52:3511:1010:58
10:46
#25696
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24625100241002425304(Top 89%)10405(Top 85%)10405(Top 190%)
10K6.21 mi3.10 mi25541-91610521-49710521-49726202(Top 92%)10904(Top 89%)10904(Top 199%)
15K9.32 mi3.11 mi25491+5010491+3010491+3025304(Top 89%)10405(Top 85%)10405(Top 190%)
20K12.43 mi3.11 mi25319+17210419+7210419+7224868(Top 88%)10190(Top 83%)10190(Top 186%)
Half13.11 mi0.68 mi25329-1010422-310422-325663(Top 90%)10644(Top 87%)10644(Top 195%)
25K15.53 mi2.42 mi25310+1910424-210424-225275(Top 89%)10452(Top 85%)10452(Top 191%)
30K18.64 mi3.11 mi25150+16010365+5910365+5924481(Top 86%)10119(Top 83%)10119(Top 185%)
20M20.00 mi1.36 mi25038+11210313+5210313+5223225(Top 82%)9546(Top 78%)9546(Top 175%)
21M21.00 mi1.00 mi25230-19210439-12610439-12627154(Top 96%)11646(Top 95%)11646(Top 213%)
35K21.75 mi0.75 mi25270-4010465-2610465-2626255(Top 92%)11217(Top 92%)11217(Top 205%)
23M23.00 mi1.25 mi25302-3210495-3010495-3025529(Top 90%)10874(Top 89%)10874(Top 199%)
24M24.00 mi1.00 mi25530-22810635-14010635-14028030(Top 99%)12107(Top 99%)12107(Top 221%)
40K24.85 mi0.85 mi25693-16310734-9910734-9927600(Top 97%)11918(Top 97%)11918(Top 218%)
25.2M25.20 mi0.35 mi25714-2110747-1310747-1326372(Top 93%)11366(Top 93%)11366(Top 208%)
Finish26.22 mi1.02 mi25696+1810745+210745+224848(Top 87%)10589(Top 87%)10589(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25304

Females

10405

F18-39

10405

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26202

Females

10904

F18-39

10904

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25304

Females

10405

F18-39

10405

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

24868

Females

10190

F18-39

10190

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25663

Females

10644

F18-39

10644

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25275

Females

10452

F18-39

10452

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24481

Females

10119

F18-39

10119

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23225

Females

9546

F18-39

9546

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27154

Females

11646

F18-39

11646

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26255

Females

11217

F18-39

11217

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

25529

Females

10874

F18-39

10874

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28030

Females

12107

F18-39

12107

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27600

Females

11918

F18-39

11918

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26372

Females

11366

F18-39

11366

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24848

Females

10589

F18-39

10589

Passing Analysis

Category:
Athletes Passed
961
Passed By
2032
Net Change
-1071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24625
5K → 10K22938-916#24625#25541
10K → 15K14494+50#25541#25491
15K → 20K21745+172#25491#25319
20K → Half2232-10#25319#25329
Half → 25K10687+19#25329#25310
25K → 30K21454+160#25310#25150
30K → 20M12311+112#25150#25038
20M → 21M11203-192#25038#25230
21M → 35K1555-40#25230#25270
35K → 23M3062-32#25270#25302
23M → 24M7235-228#25302#25530
24M → 40K6169-163#25530#25693
40K → 25.2M627-21#25693#25714
25.2M → Finish3820+18#25714#25696
TOTALS9612032-1071
📊

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