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BOSTON MARATHON 2026

Leslie Thomson

Bib: 19825β€’F

BC

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 42%
Gender (Female)
#0 / 12578
Top 27%
Masters (Masters Women)
#0 / 6862
Top 11%
Age Group (F40-44)
#0 / 1737
Top 26%
Race Day Weather
51Β°/41Β°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
24:22
3.11 mi
Rank: #15775
Start β†’ 5K
24:22 | 7:51/mi
10K
48:11
6.21 mi
Rank: #15095 (+680)
5K β†’ 10K
23:49 | 7:40/mi
15K
1:11:55
9.32 mi
Rank: #14677 (+418)
10K β†’ 15K
23:44 | 7:39/mi
20K
1:35:30
12.43 mi
Rank: #14184 (+493)
15K β†’ 20K
23:35 | 7:36/mi
HALF
1:40:37
13.11 mi
Rank: #14098 (+86)
20K β†’ HALF
5:07 | 7:31/mi
25K
1:59:00
15.53 mi
Rank: #13736 (+362)
HALF β†’ 25K
18:23 | 7:35/mi
30K
2:23:14
18.64 mi
Rank: #13402 (+334)
25K β†’ 30K
24:14 | 7:48/mi
20M
2:33:46
20.00 mi
Rank: #13187 (+215)
30K β†’ 20M
10:32 | 7:46/mi
21M
2:41:47
21.00 mi
Rank: #12982 (+205)
20M β†’ 21M
8:01 | 8:01/mi
35K
2:47:10
21.75 mi
Rank: #12814 (+168)
21M β†’ 35K
5:23 | 7:12/mi
23M
2:56:41
23.00 mi
Rank: #12596 (+218)
35K β†’ 23M
9:31 | 7:37/mi
24M
3:04:09
24.00 mi
Rank: #12456 (+140)
23M β†’ 24M
7:28 | 7:28/mi
40K
3:10:41
24.85 mi
Rank: #12340 (+116)
24M β†’ 40K
6:32 | 7:39/mi
25.2M
3:13:34
25.20 mi
Rank: #12300 (+40)
40K β†’ 25.2M
2:53 | 8:22/mi
FINISH
3:21:15
26.22 mi
Rank: #12245 (+55)
25.2M β†’ FINISH
7:41 | 7:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:40:37
Pace7:41 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:40:38
Pace7:41 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:3624:227:5124:22
7:51
-
10K
6.21 mi11:32:2548:117:4623:49
7:40
-0:11
15K
9.32 mi11:56:091:11:557:4323:44
7:39
-0:01
20K
12.43 mi12:19:441:35:307:4223:35
7:36
-0:03
HALF
13.11 mi12:24:511:40:377:415:07
7:31
-0:05
25K
15.53 mi12:43:141:59:007:4018:23
7:35
+0:04
30K
18.64 mi13:07:282:23:147:4224:14
7:48
+0:13
20M
20.00 mi13:18:002:33:467:4210:32
7:46
-0:02
21M
21.00 mi13:26:012:41:477:438:01
8:01
+0:15
35K
21.75 mi13:31:242:47:107:425:23
7:12
-0:49
23M
23.00 mi13:40:552:56:417:419:31
7:37
+0:25
24M
24.00 mi13:48:233:04:097:417:28
7:28
-0:09
40K
24.85 mi13:54:553:10:417:416:32
7:39
+0:11
25.2M
25.20 mi13:57:483:13:347:412:53
8:22
+0:43
FINISH
26.22 mi14:05:293:21:157:417:41
7:33
-0:49

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

7:12 /mi

Average Pace

7:41 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:10:21

95% of race

Time at Steady Pace

10:54

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:08:3624:227:5124:22
7:51
#15775
10K
6.21 mi11:32:2548:117:4623:49
7:40
#15095
15K
9.32 mi11:56:091:11:557:4323:44
7:39
#14677
20K
12.43 mi12:19:441:35:307:4223:35
7:36
#14184
HALF
13.11 mi12:24:511:40:377:415:07
7:31
#14098
25K
15.53 mi12:43:141:59:007:4018:23
7:35
#13736
30K
18.64 mi13:07:282:23:147:4224:14
7:48
#13402
20M
20.00 mi13:18:002:33:467:4210:32
7:46
#13187
21M
21.00 mi13:26:012:41:477:438:01
8:01
#12982
35K
21.75 mi13:31:242:47:107:425:23
7:12
#12814
23M
23.00 mi13:40:552:56:417:419:31
7:37
#12596
24M
24.00 mi13:48:233:04:097:417:28
7:28
#12456
40K
24.85 mi13:54:553:10:417:416:32
7:39
#12340
25.2M
25.20 mi13:57:483:13:347:412:53
8:22
#12300
FINISH
26.22 mi14:05:293:21:157:417:41
7:33
#12245
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi157755166516614013(Top 48%)4139(Top 33%)4139(Top 238%)
10K6.21 mi3.10 mi15095+6804787+3794787+37914457(Top 50%)4373(Top 35%)4373(Top 252%)
15K9.32 mi3.11 mi14677+4184535+2524535+25214013(Top 48%)4139(Top 33%)4139(Top 238%)
20K12.43 mi3.11 mi14184+4934253+2824253+28212766(Top 44%)3532(Top 28%)3532(Top 203%)
HALF13.11 mi0.68 mi14098+864204+494204+4913128(Top 45%)3652(Top 29%)3652(Top 210%)
25K15.53 mi2.42 mi13736+3624013+1914013+19112118(Top 42%)3236(Top 26%)3236(Top 186%)
30K18.64 mi3.11 mi13402+3343875+1383875+13811991(Top 41%)3302(Top 26%)3302(Top 190%)
20M20.00 mi1.36 mi13187+2153782+933782+9311025(Top 38%)2906(Top 23%)2906(Top 167%)
21M21.00 mi1.00 mi12982+2053693+893693+8910033(Top 35%)2524(Top 20%)2524(Top 145%)
35K21.75 mi0.75 mi12814+1683614+793614+798603(Top 30%)1852(Top 15%)1852(Top 107%)
23M23.00 mi1.25 mi12596+2183516+983516+989666(Top 33%)2432(Top 19%)2432(Top 140%)
24M24.00 mi1.00 mi12456+1403458+583458+589869(Top 34%)2617(Top 21%)2617(Top 151%)
40K24.85 mi0.85 mi12340+1163411+473411+479948(Top 34%)2732(Top 22%)2732(Top 157%)
25.2M25.20 mi0.35 mi12300+403399+123399+1210805(Top 37%)3246(Top 26%)3246(Top 187%)
FINISH26.22 mi1.02 mi12245+553396+33396+311768(Top 41%)3737(Top 30%)3737(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
Γ—21
+97ft-345ft

Overall

14013

Females

4139

F40-44

4139

5K→10K

3.1 - 6.2 mi

Top 50%
Γ—5
+79ft-138ft

Overall

14457

Females

4373

F40-44

4373

10K→15K

6.2 - 9.3 mi

Top 48%
Γ—3
+67ft-78ft

Overall

14013

Females

4139

F40-44

4139

15K→20K

9.3 - 12.4 mi

Top 44%
Γ—5
+106ft-86ft

Overall

12766

Females

3532

F40-44

3532

20K→HALF

12.4 - 13.1 mi

Top 45%
Γ—2
+19ft-37ft

Overall

13128

Females

3652

F40-44

3652

HALF→25K

13.1 - 15.5 mi

Top 42%
Γ—4
+66ft-88ft

Overall

12118

Females

3236

F40-44

3236

25K→30K

15.5 - 18.6 mi

Top 41%
Γ—9
+181ft-148ft

Overall

11991

Females

3302

F40-44

3302

30K→20M

18.6 - 20.0 mi

Top 38%
Γ—5
+64ft-50ft

Overall

11025

Females

2906

F40-44

2906

20M→21M

20.0 - 21.0 mi

Top 35%
Γ—8
+106ft-24ft

Overall

10033

Females

2524

F40-44

2524

21M→35K

21.0 - 21.8 mi

Top 30%
Γ—7
+17ft-86ft

Overall

8603

Females

1852

F40-44

1852

35K→23M

21.8 - 23.0 mi

Top 33%
Γ—5
+23ft-63ft

Overall

9666

Females

2432

F40-44

2432

23M→24M

23.0 - 24.0 mi

Top 34%
Γ—6
+12ft-82ft

Overall

9869

Females

2617

F40-44

2617

24M→40K

24.0 - 24.9 mi

Top 34%
Γ—1
+6ft-20ft

Overall

9948

Females

2732

F40-44

2732

40K→25.2M

24.9 - 25.2 mi

Top 37%
Γ—1
+13ft-16ft

Overall

10805

Females

3246

F40-44

3246

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
Γ—2
+22ft-21ft

Overall

11768

Females

3737

F40-44

3737

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3853
Passed By
323
Net Change
+3530
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#15775
5K β†’ 10K75878+680#15775#15095
10K β†’ 15K47153+418#15095#14677
15K β†’ 20K50916+493#14677#14184
20K β†’ HALF948+86#14184#14098
HALF β†’ 25K3686+362#14098#13736
25K β†’ 30K38046+334#13736#13402
30K β†’ 20M2238+215#13402#13187
20M β†’ 21M2127+205#13187#12982
21M β†’ 35K1680+168#12982#12814
35K β†’ 23M23214+218#12814#12596
23M β†’ 24M1499+140#12596#12456
24M β†’ 40K13418+116#12456#12340
40K β†’ 25.2M5717+40#12340#12300
25.2M β†’ FINISH9843+55#12300#12245
TOTALS3853323+3530
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing