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BOSTON MARATHON 2025

Lauren Frazier

MA

Bib: 15732 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F45-49)
#0 / 1813
Top 13%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:48/mi
24:14
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:46/mi
48:23
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:45/mi
1:12:28
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:49/mi
1:36:46
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:43/mi
1:42:02
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:47/mi
2:00:55
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:01/mi
2:25:50
↑ 181↓ 1480.2%
138 ft elev
20M
8:02/mi
2:36:45
↑ 64↓ 500.2%
148 ft elev
21M
8:18/mi
2:45:03
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:33/mi
2:50:42
↑ 17↓ 861.7%
156 ft elev
23M
7:42/mi
3:00:20
↑ 23↓ 630.6%
116 ft elev
24M
7:27/mi
3:07:47
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:34/mi
3:14:15
↓ 200.3%
20 ft elev
25.2M
8:30/mi
3:17:11
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:22/mi
3:24:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:42:027:47 /mi⚖️ balanced
2nd Half
1:42:397:50 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:4824:147:4824:14
7:48
-
10K
6.21 mi11:20:5748:237:4724:09
7:46
-0:02
15K
9.32 mi11:45:021:12:287:4624:05
7:45
-0:01
20K
12.43 mi12:09:201:36:467:4724:18
7:49
+0:04
Half
13.11 mi12:14:361:42:027:475:16
7:43
-0:06
25K
15.53 mi12:33:292:00:557:4718:53
7:47
+0:04
30K
18.64 mi12:58:242:25:507:4924:55
8:01
+0:14
20M
20.00 mi13:09:192:36:457:5010:55
8:02
+0:01
21M
21.00 mi13:17:372:45:037:528:18
8:18
+0:16
35K
21.75 mi13:23:162:50:427:515:39
7:33
-0:45
23M
23.00 mi13:32:543:00:207:509:38
7:42
+0:09
24M
24.00 mi13:40:213:07:477:497:27
7:27
-0:15
40K
24.85 mi13:46:493:14:157:496:28
7:34
+0:07
25.2M
25.20 mi13:49:453:17:117:492:56
8:30
+0:56
Finish
26.22 mi13:57:153:24:417:497:30
7:22
-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

7:22 /mi

Average Pace

7:49 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:13:27

95% of race

Time at Steady Pace

11:14

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:56:4824:147:4824:14
7:48
#14813
10K
6.21 mi11:20:5748:237:4724:09
7:46
#14654
15K
9.32 mi11:45:021:12:287:4624:05
7:45
#14415
20K
12.43 mi12:09:201:36:467:4724:18
7:49
#14139
Half
13.11 mi12:14:361:42:027:475:16
7:43
#14106
25K
15.53 mi12:33:292:00:557:4718:53
7:47
#13753
30K
18.64 mi12:58:242:25:507:4924:55
8:01
#13279
20M
20.00 mi13:09:192:36:457:5010:55
8:02
#13030
21M
21.00 mi13:17:372:45:037:528:18
8:18
#12783
35K
21.75 mi13:23:162:50:427:515:39
7:33
#12611
23M
23.00 mi13:32:543:00:207:509:38
7:42
#12291
24M
24.00 mi13:40:213:07:477:497:27
7:27
#12046
40K
24.85 mi13:46:493:14:157:496:28
7:34
#11821
25.2M
25.20 mi13:49:453:17:117:492:56
8:30
#11764
Finish
26.22 mi13:57:153:24:417:497:30
7:22
#11578
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi14813441044101395039813981
10K6.21 mi3.10 mi14654+1594336+744336+741456142854285
15K9.32 mi3.11 mi14415+2394208+1284208+1281395039813981
20K12.43 mi3.11 mi14139+2764084+1244084+1241344737803780
Half13.11 mi0.68 mi14106+334063+214063+211356937913791
25K15.53 mi2.42 mi13753+3533896+1673896+1671225332513251
30K18.64 mi3.11 mi13279+4743705+1913705+1911154730623062
20M20.00 mi1.36 mi13030+2493598+1073598+1071069127842784
21M21.00 mi1.00 mi12783+2473491+1073491+107925922832283
35K21.75 mi0.75 mi12611+1723423+683423+68907721712171
23M23.00 mi1.25 mi12291+3203292+1313292+131789717851785
24M24.00 mi1.00 mi12046+2453197+953197+95740016301630
40K24.85 mi0.85 mi11821+2253113+843113+84724016701670
25.2M25.20 mi0.35 mi11764+573098+153098+15890924932493
Finish26.22 mi1.02 mi11578+1863046+523046+52824321792179

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13950

Females

3981

F45-49

3981

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14561

Females

4285

F45-49

4285

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13950

Females

3981

F45-49

3981

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13447

Females

3780

F45-49

3780

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13569

Females

3791

F45-49

3791

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12253

Females

3251

F45-49

3251

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11547

Females

3062

F45-49

3062

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10691

Females

2784

F45-49

2784

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9259

Females

2283

F45-49

2283

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9077

Females

2171

F45-49

2171

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7897

Females

1785

F45-49

1785

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7400

Females

1630

F45-49

1630

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7240

Females

1670

F45-49

1670

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8909

Females

2493

F45-49

2493

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8243

Females

2179

F45-49

2179

Passing Analysis

Category:
Athletes Passed
3752
Passed By
517
Net Change
+3235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14813
5K → 10K383224+159#14813#14654
10K → 15K32283+239#14654#14415
15K → 20K35074+276#14415#14139
20K → Half5421+33#14139#14106
Half → 25K37421+353#14106#13753
25K → 30K51440+474#13753#13279
30K → 20M2534+249#13279#13030
20M → 21M2558+247#13030#12783
21M → 35K1764+172#12783#12611
35K → 23M3211+320#12611#12291
23M → 24M2483+245#12291#12046
24M → 40K2283+225#12046#11821
40K → 25.2M6811+57#11821#11764
25.2M → Finish20620+186#11764#11578
TOTALS3752517+3235

Passing Charts

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