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BOSTON MARATHON 2026

Lauren Mahon

Bib: 27243•F

MA

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0:00
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
38:06
3.11 mi
Rank: #28875
Start → 5K
38:06 | 12:16/mi
10K
1:15:20
6.21 mi
Rank: #28780 (+95)
5K → 10K
37:14 | 12:00/mi
15K
1:52:19
9.32 mi
Rank: #28654 (+126)
10K → 15K
36:59 | 11:55/mi
20K
2:25:41
12.43 mi
Rank: #28293 (+361)
15K → 20K
33:22 | 10:45/mi
HALF
2:33:19
13.11 mi
Rank: #28258 (+35)
20K → HALF
7:38 | 11:12/mi
25K
3:03:33
15.53 mi
Rank: #28192 (+66)
HALF → 25K
30:14 | 12:28/mi
30K
3:43:03
18.64 mi
Rank: #28082 (+110)
25K → 30K
39:30 | 12:43/mi
20M
4:00:27
20.00 mi
Rank: #28017 (+65)
30K → 20M
17:24 | 12:49/mi
21M
4:12:56
21.00 mi
Rank: #27944 (+73)
20M → 21M
12:29 | 12:29/mi
35K
4:21:31
21.75 mi
Rank: #27901 (+43)
21M → 35K
8:35 | 11:29/mi
23M
4:36:17
23.00 mi
Rank: #27832 (+69)
35K → 23M
14:46 | 11:48/mi
24M
4:47:39
24.00 mi
Rank: #27781 (+51)
23M → 24M
11:22 | 11:22/mi
40K
4:57:13
24.85 mi
Rank: #27706 (+75)
24M → 40K
9:34 | 11:12/mi
25.2M
5:02:03
25.20 mi
Rank: #27696 (+10)
40K → 25.2M
4:50 | 14:01/mi
FINISH
5:13:01
26.22 mi
Rank: #27645 (+51)
25.2M → FINISH
10:58 | 10:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:33:19
Pace11:42 /mi
2nd Half
Distance13.11 mi
Time2:39:42
Pace12:11 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:5738:0612:1638:06
12:16
-
10K
6.21 mi12:38:111:15:2012:0837:14
12:00
-0:16
15K
9.32 mi13:15:101:52:1912:0436:59
11:55
-0:05
20K
12.43 mi13:48:322:25:4111:4433:22
10:45
-1:10
HALF
13.11 mi13:56:102:33:1911:427:38
11:12
+0:27
25K
15.53 mi14:26:243:03:3311:4930:14
12:28
+1:16
30K
18.64 mi15:05:543:43:0311:5839:30
12:43
+0:15
20M
20.00 mi15:23:184:00:2712:0217:24
12:49
+0:06
21M
21.00 mi15:35:474:12:5612:0312:29
12:29
-0:20
35K
21.75 mi15:44:224:21:3112:028:35
11:29
-1:00
23M
23.00 mi15:59:084:36:1712:0114:46
11:48
+0:19
24M
24.00 mi16:10:304:47:3912:0011:22
11:22
-0:26
40K
24.85 mi16:20:044:57:1311:589:34
11:12
-0:10
25.2M
25.20 mi16:24:545:02:0312:004:50
14:01
+2:49
FINISH
26.22 mi16:35:525:13:0111:5710:58
10:46
-3:15

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

10:45 /mi

Average Pace

11:57 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:21:29

26% of race

Time at Steady Pace

2:07:05

41% of race

Time at Slower Pace

1:44:27

33% of race

Average Pace: 11:56 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi12:00:5738:0612:1638:06
12:16
#28875
10K
6.21 mi12:38:111:15:2012:0837:14
12:00
#28780
15K
9.32 mi13:15:101:52:1912:0436:59
11:55
#28654
20K
12.43 mi13:48:322:25:4111:4433:22
10:45
#28293
HALF
13.11 mi13:56:102:33:1911:427:38
11:12
#28258
25K
15.53 mi14:26:243:03:3311:4930:14
12:28
#28192
30K
18.64 mi15:05:543:43:0311:5839:30
12:43
#28082
20M
20.00 mi15:23:184:00:2712:0217:24
12:49
#28017
21M
21.00 mi15:35:474:12:5612:0312:29
12:29
#27944
35K
21.75 mi15:44:224:21:3112:028:35
11:29
#27901
23M
23.00 mi15:59:084:36:1712:0114:46
11:48
#27832
24M
24.00 mi16:10:304:47:3912:0011:22
11:22
#27781
40K
24.85 mi16:20:044:57:1311:589:34
11:12
#27706
25.2M
25.20 mi16:24:545:02:0312:004:50
14:01
#27696
FINISH
26.22 mi16:35:525:13:0111:5710:58
10:46
#27645
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28875124811248128288(Top 97%)12109(Top 96%)12109(Top 212%)
10K6.21 mi3.10 mi28780+9512416+6512416+6528574(Top 98%)12272(Top 98%)12272(Top 215%)
15K9.32 mi3.11 mi28654+12612323+9312323+9328288(Top 97%)12109(Top 96%)12109(Top 212%)
20K12.43 mi3.11 mi28293+36112088+23512088+23526596(Top 92%)11101(Top 88%)11101(Top 194%)
HALF13.11 mi0.68 mi28258+3512061+2712061+2727591(Top 95%)11697(Top 93%)11697(Top 205%)
25K15.53 mi2.42 mi28192+6612031+3012031+3027882(Top 96%)11874(Top 94%)11874(Top 208%)
30K18.64 mi3.11 mi28082+11011972+5911972+5927478(Top 95%)11721(Top 93%)11721(Top 205%)
20M20.00 mi1.36 mi28017+6511941+3111941+3127264(Top 94%)11625(Top 92%)11625(Top 203%)
21M21.00 mi1.00 mi27944+7311895+4611895+4625773(Top 89%)10913(Top 87%)10913(Top 191%)
35K21.75 mi0.75 mi27901+4311871+2411871+2426041(Top 90%)11064(Top 88%)11064(Top 194%)
23M23.00 mi1.25 mi27832+6911846+2511846+2525872(Top 89%)11007(Top 88%)11007(Top 193%)
24M24.00 mi1.00 mi27781+5111824+2211824+2225758(Top 89%)10983(Top 87%)10983(Top 192%)
40K24.85 mi0.85 mi27706+7511792+3211792+3224632(Top 85%)10463(Top 83%)10463(Top 183%)
25.2M25.20 mi0.35 mi27696+1011788+411788+427242(Top 94%)11760(Top 93%)11760(Top 206%)
FINISH26.22 mi1.02 mi27645+5111767+2111767+2125669(Top 88%)10986(Top 87%)10986(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21
+97ft-345ft

Overall

28288

Females

12109

F18-39

12109

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28574

Females

12272

F18-39

12272

10K→15K

6.2 - 9.3 mi

Top 97%
×3
+67ft-78ft

Overall

28288

Females

12109

F18-39

12109

15K→20K

9.3 - 12.4 mi

Top 92%
×5
+106ft-86ft

Overall

26596

Females

11101

F18-39

11101

20K→HALF

12.4 - 13.1 mi

Top 95%
×2
+19ft-37ft

Overall

27591

Females

11697

F18-39

11697

HALF→25K

13.1 - 15.5 mi

Top 96%
×4
+66ft-88ft

Overall

27882

Females

11874

F18-39

11874

25K→30K

15.5 - 18.6 mi

Top 95%
×9
+181ft-148ft

Overall

27478

Females

11721

F18-39

11721

30K→20M

18.6 - 20.0 mi

Top 94%
×5
+64ft-50ft

Overall

27264

Females

11625

F18-39

11625

20M→21M

20.0 - 21.0 mi

Top 89%
×8
+106ft-24ft

Overall

25773

Females

10913

F18-39

10913

21M→35K

21.0 - 21.8 mi

Top 90%
×7
+17ft-86ft

Overall

26041

Females

11064

F18-39

11064

35K→23M

21.8 - 23.0 mi

Top 89%
×5
+23ft-63ft

Overall

25872

Females

11007

F18-39

11007

23M→24M

23.0 - 24.0 mi

Top 89%
×6
+12ft-82ft

Overall

25758

Females

10983

F18-39

10983

24M→40K

24.0 - 24.9 mi

Top 85%
×1
+6ft-20ft

Overall

24632

Females

10463

F18-39

10463

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1
+13ft-16ft

Overall

27242

Females

11760

F18-39

11760

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
×2
+22ft-21ft

Overall

25669

Females

10986

F18-39

10986

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1296*
Passed By
66
Net Change
+1230
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28875
5K → 10K1049+95#28875#28780
10K → 15K1326+126#28780#28654
15K → 20K361*0+361#28654#28293
20K → HALF361+35#28293#28258
HALF → 25K8317+66#28258#28192
25K → 30K12111+110#28192#28082
30K → 20M749+65#28082#28017
20M → 21M730+73#28017#27944
21M → 35K452+43#27944#27901
35K → 23M723+69#27901#27832
23M → 24M510+51#27832#27781
24M → 40K750+75#27781#27706
40K → 25.2M155+10#27706#27696
25.2M → FINISH543+51#27696#27645
TOTALS1296*66+1230

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing