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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jennifer Lefevre

Bib: 18345 •F •Age: N/A

UT

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 46%
Gender (Female)
#0 / 12578
Top 32%
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
25:43
3.11 mi
Rank: #18727
Start → 5K
25:43 | 8:17/mi
10K
50:02
6.21 mi
Rank: #17460 (+1267)
5K → 10K
24:19 | 7:50/mi
15K
1:13:37
9.32 mi
Rank: #16246 (+1214)
10K → 15K
23:35 | 7:36/mi
20K
1:37:23
12.43 mi
Rank: #15461 (+785)
15K → 20K
23:46 | 7:39/mi
HALF
1:42:30
13.11 mi
Rank: #15334 (+127)
20K → HALF
5:07 | 7:31/mi
25K
2:01:12
15.53 mi
Rank: #14959 (+375)
HALF → 25K
18:42 | 7:43/mi
30K
2:25:40
18.64 mi
Rank: #14471 (+488)
25K → 30K
24:28 | 7:53/mi
20M
2:36:15
20.00 mi
Rank: #14211 (+260)
30K → 20M
10:35 | 7:48/mi
21M
2:44:44
21.00 mi
Rank: #14107 (+104)
20M → 21M
8:29 | 8:29/mi
35K
2:50:20
21.75 mi
Rank: #13956 (+151)
21M → 35K
5:36 | 7:30/mi
23M
3:00:05
23.00 mi
Rank: #13767 (+189)
35K → 23M
9:45 | 7:48/mi
24M
3:07:45
24.00 mi
Rank: #13647 (+120)
23M → 24M
7:40 | 7:40/mi
40K
3:14:28
24.85 mi
Rank: #13539 (+108)
24M → 40K
6:43 | 7:52/mi
25.2M
3:17:21
25.20 mi
Rank: #13483 (+56)
40K → 25.2M
2:53 | 8:22/mi
FINISH
3:25:10
26.22 mi
Rank: #13422 (+61)
25.2M → FINISH
7:49 | 7:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:42:30
Pace7:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:42:40
Pace7:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4025:438:1725:43
8:17
-
10K
6.21 mi12:12:5950:028:0424:19
7:50
-0:27
15K
9.32 mi12:36:341:13:377:5423:35
7:36
-0:14
20K
12.43 mi13:00:201:37:237:5123:46
7:39
+0:03
HALF
13.11 mi13:05:271:42:307:505:07
7:31
-0:08
25K
15.53 mi13:24:092:01:127:4918:42
7:43
+0:12
30K
18.64 mi13:48:372:25:407:4924:28
7:53
+0:10
20M
20.00 mi13:59:122:36:157:4910:35
7:48
-0:05
21M
21.00 mi14:07:412:44:447:518:29
8:29
+0:41
35K
21.75 mi14:13:172:50:207:505:36
7:30
-0:59
23M
23.00 mi14:23:023:00:057:509:45
7:48
+0:18
24M
24.00 mi14:30:423:07:457:507:40
7:40
-0:08
40K
24.85 mi14:37:253:14:287:506:43
7:52
+0:12
25.2M
25.20 mi14:40:183:17:217:502:53
8:22
+0:30
FINISH
26.22 mi14:48:073:25:107:507:49
7:41
-0:41

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

7:30 /mi

Average Pace

7:50 /mi

Slowest Pace

8:29 /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

2:48:05

82% of race

Time at Steady Pace

37:05

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:48:4025:438:1725:43
8:17
#18727
10K
6.21 mi12:12:5950:028:0424:19
7:50
#17460
15K
9.32 mi12:36:341:13:377:5423:35
7:36
#16246
20K
12.43 mi13:00:201:37:237:5123:46
7:39
#15461
HALF
13.11 mi13:05:271:42:307:505:07
7:31
#15334
25K
15.53 mi13:24:092:01:127:4918:42
7:43
#14959
30K
18.64 mi13:48:372:25:407:4924:28
7:53
#14471
20M
20.00 mi13:59:122:36:157:4910:35
7:48
#14211
21M
21.00 mi14:07:412:44:447:518:29
8:29
#14107
35K
21.75 mi14:13:172:50:207:505:36
7:30
#13956
23M
23.00 mi14:23:023:00:057:509:45
7:48
#13767
24M
24.00 mi14:30:423:07:457:507:40
7:40
#13647
40K
24.85 mi14:37:253:14:287:506:43
7:52
#13539
25.2M
25.20 mi14:40:183:17:217:502:53
8:22
#13483
FINISH
26.22 mi14:48:073:25:107:507:49
7:41
#13422
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 mi187276917691713594(Top 47%)3914(Top 31%)3914(Top 68%)
10K6.21 mi3.10 mi17460+12676190+7276190+72715880(Top 55%)5232(Top 42%)5232(Top 92%)
15K9.32 mi3.11 mi16246+12145488+7025488+70213594(Top 47%)3914(Top 31%)3914(Top 68%)
20K12.43 mi3.11 mi15461+7855025+4635025+46313283(Top 46%)3821(Top 30%)3821(Top 67%)
HALF13.11 mi0.68 mi15334+1274946+794946+7913162(Top 45%)3686(Top 29%)3686(Top 64%)
25K15.53 mi2.42 mi14959+3754719+2274719+22713152(Top 45%)3820(Top 30%)3820(Top 67%)
30K18.64 mi3.11 mi14471+4884485+2344485+23412554(Top 43%)3606(Top 29%)3606(Top 63%)
20M20.00 mi1.36 mi14211+2604353+1324353+13211328(Top 39%)3072(Top 24%)3072(Top 54%)
21M21.00 mi1.00 mi14107+1044317+364317+3613032(Top 45%)4069(Top 32%)4069(Top 71%)
35K21.75 mi0.75 mi13956+1514253+644253+6410817(Top 37%)2929(Top 23%)2929(Top 51%)
23M23.00 mi1.25 mi13767+1894177+764177+7611006(Top 38%)3124(Top 25%)3124(Top 55%)
24M24.00 mi1.00 mi13647+1204131+464131+4611362(Top 39%)3367(Top 27%)3367(Top 59%)
40K24.85 mi0.85 mi13539+1084083+484083+4811496(Top 40%)3519(Top 28%)3519(Top 62%)
25.2M25.20 mi0.35 mi13483+564064+194064+1910827(Top 37%)3268(Top 26%)3268(Top 57%)
FINISH26.22 mi1.02 mi13422+614051+134051+1312771(Top 44%)4267(Top 34%)4267(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13594

Females

3914

F18-39

3914

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

15880

Females

5232

F18-39

5232

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13594

Females

3914

F18-39

3914

15K→20K

9.3 - 12.4 mi

Top 46%
×5
+106ft-86ft

Overall

13283

Females

3821

F18-39

3821

20K→HALF

12.4 - 13.1 mi

Top 45%
×2
+19ft-37ft

Overall

13162

Females

3686

F18-39

3686

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

13152

Females

3820

F18-39

3820

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12554

Females

3606

F18-39

3606

30K→20M

18.6 - 20.0 mi

Top 39%
×5
+64ft-50ft

Overall

11328

Females

3072

F18-39

3072

20M→21M

20.0 - 21.0 mi

Top 45%
×8
+106ft-24ft

Overall

13032

Females

4069

F18-39

4069

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10817

Females

2929

F18-39

2929

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

11006

Females

3124

F18-39

3124

23M→24M

23.0 - 24.0 mi

Top 39%
×6
+12ft-82ft

Overall

11362

Females

3367

F18-39

3367

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11496

Females

3519

F18-39

3519

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10827

Females

3268

F18-39

3268

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12771

Females

4267

F18-39

4267

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
5501*
Passed By
196
Net Change
+5305
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18727
5K → 10K1294*27+1267#18727#17460
10K → 15K1218*4+1214#17460#16246
15K → 20K790*5+785#16246#15461
20K → HALF1281+127#15461#15334
HALF → 25K387*12+375#15334#14959
25K → 30K501*13+488#14959#14471
30K → 20M266*6+260#14471#14211
20M → 21M14440+104#14211#14107
21M → 35K1510+151#14107#13956
35K → 23M20011+189#13956#13767
23M → 24M13919+120#13767#13647
24M → 40K12618+108#13647#13539
40K → 25.2M637+56#13539#13483
25.2M → FINISH9433+61#13483#13422
TOTALS5501*196+5305

* 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

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