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BOSTON MARATHON 2025

Sara Stephenson

Bib: 7384•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Female)
#0 / 12228
Top 0.6%
Division (F18-39)
#0 / 5469
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:08
Rank: #3712
Start → 5K
20:08 | 6:29/mi
10K· 6.21 mi
39:53
Rank: #3199 (+513)
5K → 10K
19:45 | 6:21/mi
15K· 9.32 mi
59:12
Rank: #2692 (+507)
10K → 15K
19:19 | 6:13/mi
20K· 12.43 mi
1:18:18
Rank: #2269 (+423)
15K → 20K
19:06 | 6:09/mi
Half· 13.11 mi
1:22:22
Rank: #2173 (+96)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:36:55
Rank: #1885 (+288)
Half → 25K
14:33 | 6:00/mi
30K· 18.64 mi
1:56:11
Rank: #1629 (+256)
25K → 30K
19:16 | 6:12/mi
20M
2:04:55
Rank: #1579 (+50)
30K → 20M
8:44 | 6:26/mi
21M
2:11:32
Rank: #1502 (+77)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:16:01
Rank: #1444 (+58)
21M → 35K
4:29 | 6:00/mi
23M
2:23:55
Rank: #1373 (+71)
35K → 23M
7:54 | 6:19/mi
24M
2:30:01
Rank: #1318 (+55)
23M → 24M
6:06 | 6:06/mi
40K· 24.85 mi
2:35:36
Rank: #1325 (-7)
24M → 40K
5:35 | 6:32/mi
25.2M
2:38:01
Rank: #1316 (+9)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:44:13
Rank: #1285 (+31)
25.2M → Finish
6:12 | 6:05/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:22
Pace6:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:51
Pace6:15 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2620:086:2920:08
6:29
-
10K
6.21 mi10:47:1139:536:2519:45
6:21
-0:08
15K
9.32 mi11:06:3059:126:2119:19
6:13
-0:08
20K
12.43 mi11:25:361:18:186:1819:06
6:09
-0:04
Half
13.11 mi11:29:401:22:226:174:04
5:58
-0:11
25K
15.53 mi11:44:131:36:556:1414:33
6:00
+0:02
30K
18.64 mi12:03:291:56:116:1419:16
6:12
+0:12
20M
20.00 mi12:12:132:04:556:158:44
6:26
+0:14
21M
21.00 mi12:18:502:11:326:166:37
6:37
+0:11
35K
21.75 mi12:23:192:16:016:154:29
6:00
-0:37
23M
23.00 mi12:31:132:23:556:157:54
6:19
+0:19
24M
24.00 mi12:37:192:30:016:156:06
6:06
-0:13
40K
24.85 mi12:42:542:35:366:165:35
6:32
+0:26
25.2M
25.20 mi12:45:192:38:016:162:25
7:00
+0:28
Finish
26.22 mi12:51:312:44:136:166:12
6:05
-0:55

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

5:58 /mi

Average Pace

6:16 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:11

94% of race

Time at Steady Pace

9:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:16 /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 mi10:27:2620:086:2920:08
6:29
#3712
10K
6.21 mi10:47:1139:536:2519:45
6:21
#3199
15K
9.32 mi11:06:3059:126:2119:19
6:13
#2692
20K
12.43 mi11:25:361:18:186:1819:06
6:09
#2269
Half
13.11 mi11:29:401:22:226:174:04
5:58
#2173
25K
15.53 mi11:44:131:36:556:1414:33
6:00
#1885
30K
18.64 mi12:03:291:56:116:1419:16
6:12
#1629
20M
20.00 mi12:12:132:04:556:158:44
6:26
#1579
21M
21.00 mi12:18:502:11:326:166:37
6:37
#1502
35K
21.75 mi12:23:192:16:016:154:29
6:00
#1444
23M
23.00 mi12:31:132:23:556:157:54
6:19
#1373
24M
24.00 mi12:37:192:30:016:156:06
6:06
#1318
40K
24.85 mi12:42:542:35:366:165:35
6:32
#1325
25.2M
25.20 mi12:45:192:38:016:162:25
7:00
#1316
Finish
26.22 mi12:51:312:44:136:166:12
6:05
#1285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi37121881881940(Top 7%)86(Top 0.7%)86(Top 2%)
10K6.21 mi3.10 mi3199+513150+38150+382787(Top 10%)126(Top 1%)126(Top 2%)
15K9.32 mi3.11 mi2692+507119+31119+311940(Top 7%)86(Top 0.7%)86(Top 2%)
20K12.43 mi3.11 mi2269+42393+2693+261371(Top 5%)66(Top 0.5%)66(Top 1%)
Half13.11 mi0.68 mi2173+9693931060(Top 4%)53(Top 0.4%)53(Top 1.0%)
25K15.53 mi2.42 mi1885+28883+1083+10818(Top 3%)46(Top 0.4%)46(Top 0.8%)
30K18.64 mi3.11 mi1629+25677+677+6925(Top 3%)52(Top 0.4%)52(Top 1.0%)
20M20.00 mi1.36 mi1579+5075+275+21351(Top 5%)68(Top 0.6%)68(Top 1%)
21M21.00 mi1.00 mi1502+7774+174+1989(Top 3%)48(Top 0.4%)48(Top 0.9%)
35K21.75 mi0.75 mi1444+5873+173+1744(Top 3%)44(Top 0.4%)44(Top 0.8%)
23M23.00 mi1.25 mi1373+7171+271+2916(Top 3%)49(Top 0.4%)49(Top 0.9%)
24M24.00 mi1.00 mi1318+5570+170+1786(Top 3%)43(Top 0.4%)43(Top 0.8%)
40K24.85 mi0.85 mi1325-770701750(Top 6%)123(Top 1%)123(Top 2%)
25.2M25.20 mi0.35 mi1316+970701559(Top 5%)125(Top 1%)125(Top 2%)
Finish26.22 mi1.02 mi1285+3170701159(Top 4%)69(Top 0.6%)69(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1940

Females

86

F18-39

86

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2787

Females

126

F18-39

126

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1940

Females

86

F18-39

86

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1371

Females

66

F18-39

66

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1060

Females

53

F18-39

53

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

818

Females

46

F18-39

46

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

925

Females

52

F18-39

52

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1351

Females

68

F18-39

68

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

989

Females

48

F18-39

48

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

744

Females

44

F18-39

44

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

916

Females

49

F18-39

49

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

786

Females

43

F18-39

43

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1750

Females

123

F18-39

123

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1559

Females

125

F18-39

125

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1159

Females

69

F18-39

69

Passing Analysis

Category:
Athletes Passed
2508
Passed By
81
Net Change
+2427
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3712
5K → 10K52916+513#3712#3199
10K → 15K5081+507#3199#2692
15K → 20K4230+423#2692#2269
20K → Half960+96#2269#2173
Half → 25K2880+288#2173#1885
25K → 30K2582+256#1885#1629
30K → 20M6010+50#1629#1579
20M → 21M825+77#1579#1502
21M → 35K602+58#1502#1444
35K → 23M8110+71#1444#1373
23M → 24M572+55#1373#1318
24M → 40K1522-7#1318#1325
40K → 25.2M123+9#1325#1316
25.2M → Finish398+31#1316#1285
TOTALS250881+2427
📊

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