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BOSTON MARATHON 2025

Lauren Kylberg

TX

Bib: 12615 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 36%
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
7:12/mi
22:22
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:10/mi
44:38
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:08/mi
1:06:49
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:17/mi
1:29:28
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:26/mi
1:34:32
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:37/mi
1:53:01
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:12/mi
2:18:29
↑ 181↓ 1480.2%
138 ft elev
20M
8:20/mi
2:29:49
↑ 64↓ 500.2%
148 ft elev
21M
9:29/mi
2:39:18
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:31/mi
2:45:40
↑ 17↓ 861.7%
156 ft elev
23M
8:19/mi
2:56:05
↑ 23↓ 630.6%
116 ft elev
24M
7:59/mi
3:04:04
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:10/mi
3:11:03
↓ 200.3%
20 ft elev
25.2M
9:05/mi
3:14:11
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:03/mi
3:21:22
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:32
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:46:50
Pace8:09 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5022:227:1222:22
7:12
-
10K
6.21 mi11:13:0644:387:1122:16
7:10
-0:02
15K
9.32 mi11:35:171:06:497:1022:11
7:08
-0:02
20K
12.43 mi11:57:561:29:287:1222:39
7:17
+0:09
Half
13.11 mi12:03:001:34:327:135:04
7:26
+0:09
25K
15.53 mi12:21:291:53:017:1718:29
7:37
+0:11
30K
18.64 mi12:46:572:18:297:2625:28
8:12
+0:35
20M
20.00 mi12:58:172:29:497:2911:20
8:20
+0:08
21M
21.00 mi13:07:462:39:187:359:29
9:29
+1:09
35K
21.75 mi13:14:082:45:407:376:22
8:31
-0:58
23M
23.00 mi13:24:332:56:057:3910:25
8:19
-0:12
24M
24.00 mi13:32:323:04:047:407:59
7:59
-0:20
40K
24.85 mi13:39:313:11:037:416:59
8:10
+0:11
25.2M
25.20 mi13:42:393:14:117:423:08
9:05
+0:55
Finish
26.22 mi13:49:503:21:227:417:11
7:03
-2:02

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

7:03 /mi

Average Pace

7:41 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:12

60% of race

Time at Steady Pace

1:02:11

31% of race

Time at Slower Pace

18:59

9% of race

Average Pace: 7:41 /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 mi10:50:5022:227:1222:22
7:12
#9470
10K
6.21 mi11:13:0644:387:1122:16
7:10
#9318
15K
9.32 mi11:35:171:06:497:1022:11
7:08
#9061
20K
12.43 mi11:57:561:29:287:1222:39
7:17
#8989
Half
13.11 mi12:03:001:34:327:135:04
7:26
#9096
25K
15.53 mi12:21:291:53:017:1718:29
7:37
#9365
30K
18.64 mi12:46:572:18:297:2625:28
8:12
#9946
20M
20.00 mi12:58:172:29:497:2911:20
8:20
#10161
21M
21.00 mi13:07:462:39:187:359:29
9:29
#10576
35K
21.75 mi13:14:082:45:407:376:22
8:31
#10753
23M
23.00 mi13:24:332:56:057:3910:25
8:19
#10785
24M
24.00 mi13:32:323:04:047:407:59
7:59
#10771
40K
24.85 mi13:39:313:11:037:416:59
8:10
#10775
25.2M
25.20 mi13:42:393:14:117:423:08
9:05
#10781
Finish
26.22 mi13:49:503:21:227:417:11
7:03
#10551
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9470158015808648(Top 30%)1287(Top 11%)1287(Top 24%)
10K6.21 mi3.10 mi9318+1521509+711509+719229(Top 32%)1478(Top 12%)1478(Top 27%)
15K9.32 mi3.11 mi9061+2571424+851424+858648(Top 30%)1287(Top 11%)1287(Top 24%)
20K12.43 mi3.11 mi8989+721411+131411+139000(Top 32%)1527(Top 12%)1527(Top 28%)
Half13.11 mi0.68 mi9096-1071457-461457-4611164(Top 39%)2505(Top 20%)2505(Top 46%)
25K15.53 mi2.42 mi9365-2691613-1561613-15610959(Top 39%)2564(Top 21%)2564(Top 47%)
30K18.64 mi3.11 mi9946-5811933-3201933-32012803(Top 45%)3713(Top 30%)3713(Top 68%)
20M20.00 mi1.36 mi10161-2152066-1332066-13312763(Top 45%)3829(Top 31%)3829(Top 70%)
21M21.00 mi1.00 mi10576-4152333-2672333-26716002(Top 56%)5698(Top 47%)5698(Top 104%)
35K21.75 mi0.75 mi10753-1772441-1082441-10815541(Top 55%)5531(Top 45%)5531(Top 101%)
23M23.00 mi1.25 mi10785-322500-592500-5912160(Top 43%)3817(Top 31%)3817(Top 70%)
24M24.00 mi1.00 mi10771+142533-332533-3311130(Top 39%)3362(Top 27%)3362(Top 61%)
40K24.85 mi0.85 mi10775-42566-332566-3311381(Top 40%)3590(Top 29%)3590(Top 66%)
25.2M25.20 mi0.35 mi10781-62586-202586-2012300(Top 43%)4099(Top 34%)4099(Top 75%)
Finish26.22 mi1.02 mi10551+2302500+862500+866101(Top 21%)1298(Top 11%)1298(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8648

Females

1287

F18-39

1287

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9229

Females

1478

F18-39

1478

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8648

Females

1287

F18-39

1287

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9000

Females

1527

F18-39

1527

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11164

Females

2505

F18-39

2505

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10959

Females

2564

F18-39

2564

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12803

Females

3713

F18-39

3713

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12763

Females

3829

F18-39

3829

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

16002

Females

5698

F18-39

5698

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15541

Females

5531

F18-39

5531

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12160

Females

3817

F18-39

3817

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11130

Females

3362

F18-39

3362

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11381

Females

3590

F18-39

3590

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12300

Females

4099

F18-39

4099

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

6101

Females

1298

F18-39

1298

Passing Analysis

Category:
Athletes Passed
1655
Passed By
2734
Net Change
-1081
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9470
5K → 10K313161+152#9470#9318
10K → 15K31255+257#9318#9061
15K → 20K193121+72#9061#8989
20K → Half10117-107#8989#9096
Half → 25K94363-269#9096#9365
25K → 30K91672-581#9365#9946
30K → 20M71284-215#9946#10161
20M → 21M30445-415#10161#10576
21M → 35K17194-177#10576#10753
35K → 23M99131-32#10753#10785
23M → 24M8874+14#10785#10771
24M → 40K6670-4#10771#10775
40K → 25.2M3036-6#10775#10781
25.2M → Finish24111+230#10781#10551
TOTALS16552734-1081
📊

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