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BOSTON MARATHON 2026

Jemma Lewis

Bib: 18942•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 49%
Masters (Masters Women)
#0 / 6862
Top 36%
Age Group (F40-44)
#0 / 1737
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
23:38
3.11 mi
Rank: #13732
Start → 5K
23:38 | 7:37/mi
10K
47:33
6.21 mi
Rank: #14206 (-474)
5K → 10K
23:55 | 7:42/mi
15K
1:12:04
9.32 mi
Rank: #14826 (-620)
10K → 15K
24:31 | 7:54/mi
20K
1:36:17
12.43 mi
Rank: #14718 (+108)
15K → 20K
24:13 | 7:48/mi
HALF
1:41:35
13.11 mi
Rank: #14748 (-30)
20K → HALF
5:18 | 7:47/mi
25K
2:00:50
15.53 mi
Rank: #14755 (-7)
HALF → 25K
19:15 | 7:57/mi
30K
2:27:05
18.64 mi
Rank: #15110 (-355)
25K → 30K
26:15 | 8:27/mi
20M
2:39:12
20.00 mi
Rank: #15429 (-319)
30K → 20M
12:07 | 8:56/mi
21M
2:48:49
21.00 mi
Rank: #15667 (-238)
20M → 21M
9:37 | 9:37/mi
35K
2:55:35
21.75 mi
Rank: #15863 (-196)
21M → 35K
6:46 | 9:03/mi
23M
3:07:18
23.00 mi
Rank: #16147 (-284)
35K → 23M
11:43 | 9:22/mi
24M
3:16:41
24.00 mi
Rank: #16432 (-285)
23M → 24M
9:23 | 9:23/mi
40K
3:25:09
24.85 mi
Rank: #16709 (-277)
24M → 40K
8:28 | 9:55/mi
25.2M
3:28:54
25.20 mi
Rank: #16843 (-134)
40K → 25.2M
3:45 | 10:53/mi
FINISH
3:38:16
26.22 mi
Rank: #17051 (-208)
25.2M → FINISH
9:22 | 9:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:35
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:56:41
Pace8:55 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:2523:387:3723:38
7:37
-
10K
6.21 mi11:32:2047:337:4023:55
7:42
+0:05
15K
9.32 mi11:56:511:12:047:4424:31
7:54
+0:12
20K
12.43 mi12:21:041:36:177:4524:13
7:48
-0:06
HALF
13.11 mi12:26:221:41:357:455:18
7:47
-0:01
25K
15.53 mi12:45:372:00:507:4719:15
7:57
+0:10
30K
18.64 mi13:11:522:27:057:5426:15
8:27
+0:30
20M
20.00 mi13:23:592:39:127:5812:07
8:56
+0:29
21M
21.00 mi13:33:362:48:498:039:37
9:37
+0:41
35K
21.75 mi13:40:222:55:358:056:46
9:03
-0:34
23M
23.00 mi13:52:053:07:188:0911:43
9:22
+0:19
24M
24.00 mi14:01:283:16:418:129:23
9:23
+0:01
40K
24.85 mi14:09:563:25:098:168:28
9:55
+0:32
25.2M
25.20 mi14:13:413:28:548:183:45
10:53
+0:58
FINISH
26.22 mi14:23:033:38:168:209:22
9:12
-1:41

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

7:37 /mi

Average Pace

8:20 /mi

Slowest Pace

10:53 /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

2:27:05

67% of race

Time at Steady Pace

49:21

23% of race

Time at Slower Pace

21:50

10% of race

Average Pace: 8:19 /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 mi11:08:2523:387:3723:38
7:37
#13732
10K
6.21 mi11:32:2047:337:4023:55
7:42
#14206
15K
9.32 mi11:56:511:12:047:4424:31
7:54
#14826
20K
12.43 mi12:21:041:36:177:4524:13
7:48
#14718
HALF
13.11 mi12:26:221:41:357:455:18
7:47
#14748
25K
15.53 mi12:45:372:00:507:4719:15
7:57
#14755
30K
18.64 mi13:11:522:27:057:5426:15
8:27
#15110
20M
20.00 mi13:23:592:39:127:5812:07
8:56
#15429
21M
21.00 mi13:33:362:48:498:039:37
9:37
#15667
35K
21.75 mi13:40:222:55:358:056:46
9:03
#15863
23M
23.00 mi13:52:053:07:188:0911:43
9:22
#16147
24M
24.00 mi14:01:283:16:418:129:23
9:23
#16432
40K
24.85 mi14:09:563:25:098:168:28
9:55
#16709
25.2M
25.20 mi14:13:413:28:548:183:45
10:53
#16843
FINISH
26.22 mi14:23:033:38:168:209:22
9:12
#17051
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 mi137323920392016130(Top 56%)5415(Top 43%)5415(Top 312%)
10K6.21 mi3.10 mi14206-4744225-3054225-30514750(Top 51%)4543(Top 36%)4543(Top 262%)
15K9.32 mi3.11 mi14826-6204628-4034628-40316130(Top 56%)5415(Top 43%)5415(Top 312%)
20K12.43 mi3.11 mi14718+1084570+584570+5814500(Top 50%)4506(Top 36%)4506(Top 259%)
HALF13.11 mi0.68 mi14748-304593-234593-2315457(Top 53%)5023(Top 40%)5023(Top 289%)
25K15.53 mi2.42 mi14755-74609-164609-1614933(Top 51%)4847(Top 39%)4847(Top 279%)
30K18.64 mi3.11 mi15110-3554859-2504859-25016577(Top 57%)5860(Top 47%)5860(Top 337%)
20M20.00 mi1.36 mi15429-3195076-2175076-21718555(Top 64%)7051(Top 56%)7051(Top 406%)
21M21.00 mi1.00 mi15667-2385243-1675243-16719055(Top 66%)7348(Top 58%)7348(Top 423%)
35K21.75 mi0.75 mi15863-1965371-1285371-12820211(Top 70%)8040(Top 64%)8040(Top 463%)
23M23.00 mi1.25 mi16147-2845569-1985569-19820095(Top 69%)8020(Top 64%)8020(Top 462%)
24M24.00 mi1.00 mi16432-2855741-1725741-17220932(Top 72%)8503(Top 68%)8503(Top 490%)
40K24.85 mi0.85 mi16709-2775911-1705911-17021660(Top 75%)8921(Top 71%)8921(Top 514%)
25.2M25.20 mi0.35 mi16843-1346002-916002-9122065(Top 76%)9103(Top 72%)9103(Top 524%)
FINISH26.22 mi1.02 mi17051-2086142-1406142-14021268(Top 73%)8703(Top 69%)8703(Top 501%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16130

Females

5415

F40-44

5415

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14750

Females

4543

F40-44

4543

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16130

Females

5415

F40-44

5415

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14500

Females

4506

F40-44

4506

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15457

Females

5023

F40-44

5023

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14933

Females

4847

F40-44

4847

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16577

Females

5860

F40-44

5860

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18555

Females

7051

F40-44

7051

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19055

Females

7348

F40-44

7348

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20211

Females

8040

F40-44

8040

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

20095

Females

8020

F40-44

8020

23M→24M

23.0 - 24.0 mi

Top 72%
×6
+12ft-82ft

Overall

20932

Females

8503

F40-44

8503

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21660

Females

8921

F40-44

8921

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1
+13ft-16ft

Overall

22065

Females

9103

F40-44

9103

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
×2
+22ft-21ft

Overall

21268

Females

8703

F40-44

8703

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
935
Passed By
4254
Net Change
-3319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13732
5K → 10K133607-474#13732#14206
10K → 15K69689-620#14206#14826
15K → 20K237129+108#14826#14718
20K → HALF2050-30#14718#14748
HALF → 25K139146-7#14748#14755
25K → 30K106461-355#14755#15110
30K → 20M42361-319#15110#15429
20M → 21M49287-238#15429#15667
21M → 35K26222-196#15667#15863
35K → 23M43327-284#15863#16147
23M → 24M18303-285#16147#16432
24M → 40K24301-277#16432#16709
40K → 25.2M6140-134#16709#16843
25.2M → FINISH23231-208#16843#17051
TOTALS9354254-3319
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing