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BOSTON MARATHON 2025

Lauren Flament

Bib: 12311•F

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 18%
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
7:17/mi
22:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
45:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:07:48
↑ 67↓ 78
20K· 12.43 mi
7:19/mi
1:30:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:35:27
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:53:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:23/mi
2:16:03
↑ 181↓ 1480.2%
20M
7:27/mi
2:26:10
↑ 64↓ 500.2%
21M
7:42/mi
2:33:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:39:13
↑ 17↓ 861.7%
23M
7:18/mi
2:48:21
↑ 23↓ 630.6%
24M
7:12/mi
2:55:33
↓ 821.3%
40K· 24.85 mi
7:13/mi
3:01:43
↓ 200.3%
25.2M
7:56/mi
3:04:27
↑ 13↓ 160.2%
Finish· 26.22 mi
6:49/mi
3:11:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:27
Pace7:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:57
Pace7:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0422:387:1722:38
7:17
-
10K
6.21 mi11:13:3245:067:1522:28
7:14
-0:03
15K
9.32 mi11:36:141:07:487:1622:42
7:18
+0:04
20K
12.43 mi11:58:581:30:327:1722:44
7:19
+0:01
Half
13.11 mi12:03:531:35:277:174:55
7:12
-0:07
25K
15.53 mi12:21:331:53:077:1717:40
7:17
+0:05
30K
18.64 mi12:44:292:16:037:1822:56
7:23
+0:06
20M
20.00 mi12:54:362:26:107:1810:07
7:27
+0:04
21M
21.00 mi13:02:182:33:527:207:42
7:42
+0:15
35K
21.75 mi13:07:392:39:137:195:21
7:09
-0:33
23M
23.00 mi13:16:472:48:217:199:08
7:18
+0:09
24M
24.00 mi13:23:592:55:337:197:12
7:12
-0:06
40K
24.85 mi13:30:093:01:437:196:10
7:13
+0:01
25.2M
25.20 mi13:32:533:04:277:192:44
7:56
+0:43
Finish
26.22 mi13:39:503:11:247:186:57
6:49
-1:07

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

6:49 /mi

Average Pace

7:18 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:58

95% of race

Time at Steady Pace

10:26

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:51:0422:387:1722:38
7:17
#10185
10K
6.21 mi11:13:3245:067:1522:28
7:14
#9954
15K
9.32 mi11:36:141:07:487:1622:42
7:18
#9976
20K
12.43 mi11:58:581:30:327:1722:44
7:19
#9732
Half
13.11 mi12:03:531:35:277:174:55
7:12
#9701
25K
15.53 mi12:21:331:53:077:1717:40
7:17
#9415
30K
18.64 mi12:44:292:16:037:1822:56
7:23
#8812
20M
20.00 mi12:54:362:26:107:1810:07
7:27
#8589
21M
21.00 mi13:02:182:33:527:207:42
7:42
#8354
35K
21.75 mi13:07:392:39:137:195:21
7:09
#8234
23M
23.00 mi13:16:472:48:217:199:08
7:18
#7961
24M
24.00 mi13:23:592:55:337:197:12
7:12
#7835
40K
24.85 mi13:30:093:01:437:196:10
7:13
#7670
25.2M
25.20 mi13:32:533:04:277:192:44
7:56
#7612
Finish
26.22 mi13:39:503:11:247:186:57
6:49
#7436
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi101851893189310021(Top 35%)1900(Top 16%)1900(Top 35%)
10K6.21 mi3.10 mi9954+2311787+1061787+1069729(Top 34%)1703(Top 14%)1703(Top 31%)
15K9.32 mi3.11 mi9976-221836-491836-4910021(Top 35%)1900(Top 16%)1900(Top 35%)
20K12.43 mi3.11 mi9732+2441748+881748+889159(Top 32%)1601(Top 13%)1601(Top 29%)
Half13.11 mi0.68 mi9701+311734+141734+149045(Top 32%)1542(Top 13%)1542(Top 28%)
25K15.53 mi2.42 mi9415+2861639+951639+958236(Top 29%)1315(Top 11%)1315(Top 24%)
30K18.64 mi3.11 mi8812+6031429+2101429+2106928(Top 24%)988(Top 8%)988(Top 18%)
20M20.00 mi1.36 mi8589+2231373+561373+566616(Top 23%)1024(Top 8%)1024(Top 19%)
21M21.00 mi1.00 mi8354+2351309+641309+645586(Top 20%)792(Top 6%)792(Top 14%)
35K21.75 mi0.75 mi8234+1201281+281281+286223(Top 22%)1012(Top 8%)1012(Top 19%)
23M23.00 mi1.25 mi7961+2731228+531228+535395(Top 19%)798(Top 7%)798(Top 15%)
24M24.00 mi1.00 mi7835+1261221+71221+75775(Top 20%)996(Top 8%)996(Top 18%)
40K24.85 mi0.85 mi7670+1651190+311190+315069(Top 18%)816(Top 7%)816(Top 15%)
25.2M25.20 mi0.35 mi7612+581183+71183+75435(Top 19%)1064(Top 9%)1064(Top 19%)
Finish26.22 mi1.02 mi7436+1761152+311152+314579(Top 16%)733(Top 6%)733(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

10021

Females

1900

F18-39

1900

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9729

Females

1703

F18-39

1703

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

10021

Females

1900

F18-39

1900

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9159

Females

1601

F18-39

1601

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

9045

Females

1542

F18-39

1542

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8236

Females

1315

F18-39

1315

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6928

Females

988

F18-39

988

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6616

Females

1024

F18-39

1024

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5586

Females

792

F18-39

792

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6223

Females

1012

F18-39

1012

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5395

Females

798

F18-39

798

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5775

Females

996

F18-39

996

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5069

Females

816

F18-39

816

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5435

Females

1064

F18-39

1064

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4579

Females

733

F18-39

733

Passing Analysis

Category:
Athletes Passed
3277*
Passed By
528
Net Change
+2749
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10185
5K → 10K374*143+231#10185#9954
10K → 15K172194-22#9954#9976
15K → 20K30662+244#9976#9732
20K → Half4918+31#9732#9701
Half → 25K31428+286#9701#9415
25K → 30K61512+603#9415#8812
30K → 20M23411+223#8812#8589
20M → 21M2438+235#8589#8354
21M → 35K1299+120#8354#8234
35K → 23M2807+273#8234#7961
23M → 24M14418+126#7961#7835
24M → 40K1716+165#7835#7670
40K → 25.2M635+58#7670#7612
25.2M → Finish1837+176#7612#7436
TOTALS3277*528+2749

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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