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BOSTON MARATHON 2026

Genevieve Lidoff

Bib: 20572•F

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 44%
Masters (Masters Women)
#0 / 6862
Top 29%
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
24:30
3.11 mi
Rank: #16099
Start → 5K
24:30 | 7:54/mi
10K
48:56
6.21 mi
Rank: #16102 (-3)
5K → 10K
24:26 | 7:52/mi
15K
1:13:37
9.32 mi
Rank: #16249 (-147)
10K → 15K
24:41 | 7:57/mi
20K
1:38:09
12.43 mi
Rank: #15991 (+258)
15K → 20K
24:32 | 7:54/mi
HALF
1:43:26
13.11 mi
Rank: #15943 (+48)
20K → HALF
5:17 | 7:46/mi
25K
2:02:38
15.53 mi
Rank: #15732 (+211)
HALF → 25K
19:12 | 7:56/mi
30K
2:28:11
18.64 mi
Rank: #15595 (+137)
25K → 30K
25:33 | 8:14/mi
20M
2:39:34
20.00 mi
Rank: #15581 (+14)
30K → 20M
11:23 | 8:23/mi
21M
2:48:38
21.00 mi
Rank: #15595 (-14)
20M → 21M
9:04 | 9:04/mi
35K
2:54:46
21.75 mi
Rank: #15591 (+4)
21M → 35K
6:08 | 8:12/mi
23M
3:05:32
23.00 mi
Rank: #15625 (-34)
35K → 23M
10:46 | 8:37/mi
24M
3:14:04
24.00 mi
Rank: #15693 (-68)
23M → 24M
8:32 | 8:32/mi
40K
3:21:38
24.85 mi
Rank: #15756 (-63)
24M → 40K
7:34 | 8:51/mi
25.2M
3:25:02
25.20 mi
Rank: #15818 (-62)
40K → 25.2M
3:24 | 9:52/mi
FINISH
3:33:49
26.22 mi
Rank: #15930 (-112)
25.2M → FINISH
8:47 | 8:38/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:26
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:50:23
Pace8:26 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:4724:307:5424:30
7:54
-
10K
6.21 mi11:34:1348:567:5324:26
7:52
-0:02
15K
9.32 mi11:58:541:13:377:5424:41
7:57
+0:05
20K
12.43 mi12:23:261:38:097:5424:32
7:54
-0:03
HALF
13.11 mi12:28:431:43:267:545:17
7:46
-0:08
25K
15.53 mi12:47:552:02:387:5419:12
7:56
+0:10
30K
18.64 mi13:13:282:28:117:5725:33
8:14
+0:18
20M
20.00 mi13:24:512:39:347:5911:23
8:23
+0:09
21M
21.00 mi13:33:552:48:388:029:04
9:04
+0:41
35K
21.75 mi13:40:032:54:468:036:08
8:12
-0:52
23M
23.00 mi13:50:493:05:328:0510:46
8:37
+0:25
24M
24.00 mi13:59:213:14:048:068:32
8:32
-0:05
40K
24.85 mi14:06:553:21:388:077:34
8:51
+0:19
25.2M
25.20 mi14:10:193:25:028:093:24
9:52
+1:01
FINISH
26.22 mi14:19:063:33:498:108:47
8:38
-1:14

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

7:46 /mi

Average Pace

8:10 /mi

Slowest Pace

9:52 /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

2:02:38

57% of race

Time at Steady Pace

43:04

20% of race

Time at Slower Pace

48:07

23% of race

Average Pace: 8:09 /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 mi11:09:4724:307:5424:30
7:54
#16099
10K
6.21 mi11:34:1348:567:5324:26
7:52
#16102
15K
9.32 mi11:58:541:13:377:5424:41
7:57
#16249
20K
12.43 mi12:23:261:38:097:5424:32
7:54
#15991
HALF
13.11 mi12:28:431:43:267:545:17
7:46
#15943
25K
15.53 mi12:47:552:02:387:5419:12
7:56
#15732
30K
18.64 mi13:13:282:28:117:5725:33
8:14
#15595
20M
20.00 mi13:24:512:39:347:5911:23
8:23
#15581
21M
21.00 mi13:33:552:48:388:029:04
9:04
#15595
35K
21.75 mi13:40:032:54:468:036:08
8:12
#15591
23M
23.00 mi13:50:493:05:328:0510:46
8:37
#15625
24M
24.00 mi13:59:213:14:048:068:32
8:32
#15693
40K
24.85 mi14:06:553:21:388:077:34
8:51
#15756
25.2M
25.20 mi14:10:193:25:028:093:24
9:52
#15818
FINISH
26.22 mi14:19:063:33:498:108:47
8:38
#15930
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 mi160995384538416572(Top 57%)5654(Top 45%)5654(Top 326%)
10K6.21 mi3.10 mi16102-35402-185402-1816176(Top 56%)5417(Top 43%)5417(Top 312%)
15K9.32 mi3.11 mi16249-1475491-895491-8916572(Top 57%)5654(Top 45%)5654(Top 326%)
20K12.43 mi3.11 mi15991+2585351+1405351+14015310(Top 53%)4989(Top 40%)4989(Top 287%)
HALF13.11 mi0.68 mi15943+485321+305321+3015264(Top 53%)4900(Top 39%)4900(Top 282%)
25K15.53 mi2.42 mi15732+2115209+1125209+11214765(Top 51%)4740(Top 38%)4740(Top 273%)
30K18.64 mi3.11 mi15595+1375156+535156+5315097(Top 52%)5029(Top 40%)5029(Top 290%)
20M20.00 mi1.36 mi15581+145168-125168-1215458(Top 53%)5336(Top 42%)5336(Top 307%)
21M21.00 mi1.00 mi15595-145196-285196-2816490(Top 57%)5959(Top 47%)5959(Top 343%)
35K21.75 mi0.75 mi15591+45215-195215-1915824(Top 55%)5653(Top 45%)5653(Top 325%)
23M23.00 mi1.25 mi15625-345259-445259-4416352(Top 56%)6046(Top 48%)6046(Top 348%)
24M24.00 mi1.00 mi15693-685316-575316-5717113(Top 59%)6533(Top 52%)6533(Top 376%)
40K24.85 mi0.85 mi15756-635373-575373-5717659(Top 61%)6856(Top 55%)6856(Top 395%)
25.2M25.20 mi0.35 mi15818-625420-475420-4718875(Top 65%)7476(Top 59%)7476(Top 430%)
FINISH26.22 mi1.02 mi15930-1125498-785498-7818767(Top 65%)7436(Top 59%)7436(Top 428%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16572

Females

5654

F40-44

5654

5K→10K

3.1 - 6.2 mi

Top 56%
×5
+79ft-138ft

Overall

16176

Females

5417

F40-44

5417

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16572

Females

5654

F40-44

5654

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15310

Females

4989

F40-44

4989

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15264

Females

4900

F40-44

4900

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14765

Females

4740

F40-44

4740

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15097

Females

5029

F40-44

5029

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15458

Females

5336

F40-44

5336

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16490

Females

5959

F40-44

5959

21M→35K

21.0 - 21.8 mi

Top 55%
×7
+17ft-86ft

Overall

15824

Females

5653

F40-44

5653

35K→23M

21.8 - 23.0 mi

Top 56%
×5
+23ft-63ft

Overall

16352

Females

6046

F40-44

6046

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17113

Females

6533

F40-44

6533

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17659

Females

6856

F40-44

6856

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18875

Females

7476

F40-44

7476

25.2M→FINISH

25.2 - 26.2 mi

Top 65%
×2
+22ft-21ft

Overall

18767

Females

7436

F40-44

7436

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1786
Passed By
1617
Net Change
+169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16099
5K → 10K265268-3#16099#16102
10K → 15K138285-147#16102#16249
15K → 20K32971+258#16249#15991
20K → HALF6214+48#15991#15943
HALF → 25K24231+211#15943#15732
25K → 30K266129+137#15732#15595
30K → 20M10490+14#15595#15581
20M → 21M89103-14#15581#15595
21M → 35K6965+4#15595#15591
35K → 23M88122-34#15591#15625
23M → 24M45113-68#15625#15693
24M → 40K48111-63#15693#15756
40K → 25.2M1375-62#15756#15818
25.2M → FINISH28140-112#15818#15930
TOTALS17861617+169
📊

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