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BOSTON MARATHON 2025

Lauren Sprague

Bib: 23169•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
Masters (Masters Women)
#0 / 6759
Top 27%
Division (F45-49)
#0 / 1813
Top 32%
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:14:03
↑ 67↓ 78
20K· 12.43 mi
8:06/mi
1:39:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:44:35
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:04:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:30:36
↑ 181↓ 1480.2%
20M
8:42/mi
2:42:26
↑ 64↓ 500.2%
21M
9:04/mi
2:51:30
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
2:57:46
↑ 17↓ 861.7%
23M
8:48/mi
3:08:47
↑ 23↓ 630.6%
24M
8:41/mi
3:17:28
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:25:03
↓ 200.3%
25.2M
9:37/mi
3:28:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:35/mi
3:37:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:35
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:52:32
Pace8:35 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3624:367:5524:36
7:55
-
10K
6.21 mi11:47:1749:177:5624:41
7:57
+0:02
15K
9.32 mi12:12:031:14:037:5724:46
7:58
+0:01
20K
12.43 mi12:37:131:39:137:5925:10
8:06
+0:08
Half
13.11 mi12:42:351:44:357:595:22
7:52
-0:14
25K
15.53 mi13:02:272:04:278:0119:52
8:12
+0:20
30K
18.64 mi13:28:362:30:368:0526:09
8:25
+0:13
20M
20.00 mi13:40:262:42:268:0711:50
8:42
+0:17
21M
21.00 mi13:49:302:51:308:109:04
9:04
+0:22
35K
21.75 mi13:55:462:57:468:106:16
8:23
-0:41
23M
23.00 mi14:06:473:08:478:1211:01
8:48
+0:25
24M
24.00 mi14:15:283:17:288:148:41
8:41
-0:07
40K
24.85 mi14:23:033:25:038:157:35
8:52
+0:11
25.2M
25.20 mi14:26:223:28:228:163:19
9:37
+0:45
Finish
26.22 mi14:35:073:37:078:178:45
8:35
-1:02

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

7:52 /mi

Average Pace

8:17 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:35

48% of race

Time at Steady Pace

1:01:02

28% of race

Time at Slower Pace

51:30

24% of race

Average Pace: 8:17 /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 mi11:22:3624:367:5524:36
7:55
#15892
10K
6.21 mi11:47:1749:177:5624:41
7:57
#15958
15K
9.32 mi12:12:031:14:037:5724:46
7:58
#15874
20K
12.43 mi12:37:131:39:137:5925:10
8:06
#15805
Half
13.11 mi12:42:351:44:357:595:22
7:52
#15758
25K
15.53 mi13:02:272:04:278:0119:52
8:12
#15643
30K
18.64 mi13:28:362:30:368:0526:09
8:25
#15363
20M
20.00 mi13:40:262:42:268:0711:50
8:42
#15304
21M
21.00 mi13:49:302:51:308:109:04
9:04
#15150
35K
21.75 mi13:55:462:57:468:106:16
8:23
#15109
23M
23.00 mi14:06:473:08:478:1211:01
8:48
#15088
24M
24.00 mi14:15:283:17:288:148:41
8:41
#15082
40K
24.85 mi14:23:033:25:038:157:35
8:52
#15114
25.2M
25.20 mi14:26:223:28:228:163:19
9:37
#15097
Finish
26.22 mi14:35:073:37:078:178:45
8:35
#15162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi158925076507615834(Top 56%)5059(Top 41%)5059(Top 279%)
10K6.21 mi3.10 mi15958-665110-345110-3416044(Top 56%)5145(Top 42%)5145(Top 284%)
15K9.32 mi3.11 mi15874+845062+485062+4815834(Top 56%)5059(Top 41%)5059(Top 279%)
20K12.43 mi3.11 mi15805+695042+205042+2015654(Top 55%)5009(Top 41%)5009(Top 276%)
Half13.11 mi0.68 mi15758+475014+285014+2814876(Top 52%)4554(Top 37%)4554(Top 251%)
25K15.53 mi2.42 mi15643+1154968+464968+4615296(Top 54%)4898(Top 40%)4898(Top 270%)
30K18.64 mi3.11 mi15363+2804866+1024866+10214251(Top 50%)4510(Top 37%)4510(Top 249%)
20M20.00 mi1.36 mi15304+594862+44862+415133(Top 53%)5113(Top 42%)5113(Top 282%)
21M21.00 mi1.00 mi15150+1544809+534809+5313934(Top 49%)4603(Top 38%)4603(Top 254%)
35K21.75 mi0.75 mi15109+414803+64803+614751(Top 52%)5100(Top 42%)5100(Top 281%)
23M23.00 mi1.25 mi15088+214821-184821-1815115(Top 53%)5394(Top 44%)5394(Top 298%)
24M24.00 mi1.00 mi15082+64851-304851-3015647(Top 55%)5713(Top 47%)5713(Top 315%)
40K24.85 mi0.85 mi15114-324905-544905-5415598(Top 55%)5844(Top 48%)5844(Top 322%)
25.2M25.20 mi0.35 mi15097+174910-54910-515215(Top 54%)5656(Top 46%)5656(Top 312%)
Finish26.22 mi1.02 mi15162-654965-554965-5516773(Top 59%)6434(Top 53%)6434(Top 355%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15834

Females

5059

F45-49

5059

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

16044

Females

5145

F45-49

5145

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15834

Females

5059

F45-49

5059

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15654

Females

5009

F45-49

5009

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14876

Females

4554

F45-49

4554

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15296

Females

4898

F45-49

4898

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14251

Females

4510

F45-49

4510

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15133

Females

5113

F45-49

5113

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13934

Females

4603

F45-49

4603

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

14751

Females

5100

F45-49

5100

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15115

Females

5394

F45-49

5394

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15647

Females

5713

F45-49

5713

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15598

Females

5844

F45-49

5844

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15215

Females

5656

F45-49

5656

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16773

Females

6434

F45-49

6434

Passing Analysis

Category:
Athletes Passed
2182
Passed By
1452
Net Change
+730
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15892
5K → 10K290356-66#15892#15958
10K → 15K239155+84#15958#15874
15K → 20K228159+69#15874#15805
20K → Half547+47#15805#15758
Half → 25K227112+115#15758#15643
25K → 30K384104+280#15643#15363
30K → 20M14081+59#15363#15304
20M → 21M19238+154#15304#15150
21M → 35K7231+41#15150#15109
35K → 23M11897+21#15109#15088
23M → 24M9084+6#15088#15082
24M → 40K5587-32#15082#15114
40K → 25.2M4326+17#15114#15097
25.2M → Finish50115-65#15097#15162
TOTALS21821452+730
📊

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