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BOSTON MARATHON 2026

Madeline Jeffery

Bib: 16132•F

CA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 41%
Gender (Female)
#0 / 12578
Top 25%
Age Group (F18-39)
#0 / 5716
Top 43%
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
22:35
3.11 mi
Rank: #10785
Start → 5K
22:35 | 7:17/mi
10K
45:29
6.21 mi
Rank: #11256 (-471)
5K → 10K
22:54 | 7:23/mi
15K
1:08:40
9.32 mi
Rank: #11681 (-425)
10K → 15K
23:11 | 7:28/mi
20K
1:31:46
12.43 mi
Rank: #11582 (+99)
15K → 20K
23:06 | 7:27/mi
HALF
1:36:49
13.11 mi
Rank: #11612 (-30)
20K → HALF
5:03 | 7:25/mi
25K
1:55:03
15.53 mi
Rank: #11613 (-1)
HALF → 25K
18:14 | 7:32/mi
30K
2:19:16
18.64 mi
Rank: #11651 (-38)
25K → 30K
24:13 | 7:48/mi
20M
2:30:09
20.00 mi
Rank: #11713 (-62)
30K → 20M
10:53 | 8:01/mi
21M
2:38:25
21.00 mi
Rank: #11688 (+25)
20M → 21M
8:16 | 8:16/mi
35K
2:44:10
21.75 mi
Rank: #11683 (+5)
21M → 35K
5:45 | 7:42/mi
23M
2:54:12
23.00 mi
Rank: #11702 (-19)
35K → 23M
10:02 | 8:02/mi
24M
3:01:56
24.00 mi
Rank: #11680 (+22)
23M → 24M
7:44 | 7:44/mi
40K
3:08:47
24.85 mi
Rank: #11683 (-3)
24M → 40K
6:51 | 8:01/mi
25.2M
3:11:46
25.20 mi
Rank: #11692 (-9)
40K → 25.2M
2:59 | 8:40/mi
FINISH
3:19:43
26.22 mi
Rank: #11770 (-78)
25.2M → FINISH
7:57 | 7:49/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
Time1:36:49
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:42:54
Pace7:51 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:4122:357:1722:35
7:17
-
10K
6.21 mi11:26:3545:297:2022:54
7:23
+0:06
15K
9.32 mi11:49:461:08:407:2323:11
7:28
+0:05
20K
12.43 mi12:12:521:31:467:2423:06
7:27
-0:01
HALF
13.11 mi12:17:551:36:497:245:03
7:25
-0:02
25K
15.53 mi12:36:091:55:037:2518:14
7:32
+0:07
30K
18.64 mi13:00:222:19:167:2924:13
7:48
+0:16
20M
20.00 mi13:11:152:30:097:3110:53
8:01
+0:13
21M
21.00 mi13:19:312:38:257:338:16
8:16
+0:15
35K
21.75 mi13:25:162:44:107:335:45
7:42
-0:34
23M
23.00 mi13:35:182:54:127:3510:02
8:02
+0:20
24M
24.00 mi13:43:023:01:567:357:44
7:44
-0:18
40K
24.85 mi13:49:533:08:477:366:51
8:01
+0:17
25.2M
25.20 mi13:52:523:11:467:372:59
8:40
+0:39
FINISH
26.22 mi14:00:493:19:437:387:57
7:49
-0:51

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

7:17 /mi

Average Pace

7:37 /mi

Slowest Pace

8:40 /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

2:40:42

80% of race

Time at Steady Pace

36:02

18% of race

Time at Slower Pace

2:59

1% of race

Average Pace: 7:37 /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 mi11:03:4122:357:1722:35
7:17
#10785
10K
6.21 mi11:26:3545:297:2022:54
7:23
#11256
15K
9.32 mi11:49:461:08:407:2323:11
7:28
#11681
20K
12.43 mi12:12:521:31:467:2423:06
7:27
#11582
HALF
13.11 mi12:17:551:36:497:245:03
7:25
#11612
25K
15.53 mi12:36:091:55:037:2518:14
7:32
#11613
30K
18.64 mi13:00:222:19:167:2924:13
7:48
#11651
20M
20.00 mi13:11:152:30:097:3110:53
8:01
#11713
21M
21.00 mi13:19:312:38:257:338:16
8:16
#11688
35K
21.75 mi13:25:162:44:107:335:45
7:42
#11683
23M
23.00 mi13:35:182:54:127:3510:02
8:02
#11702
24M
24.00 mi13:43:023:01:567:357:44
7:44
#11680
40K
24.85 mi13:49:533:08:477:366:51
8:01
#11683
25.2M
25.20 mi13:52:523:11:467:372:59
8:40
#11692
FINISH
26.22 mi14:00:493:19:437:387:57
7:49
#11770
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 mi107852272227212503(Top 43%)3292(Top 26%)3292(Top 58%)
10K6.21 mi3.10 mi11256-4712537-2652537-26511818(Top 41%)2869(Top 23%)2869(Top 50%)
15K9.32 mi3.11 mi11681-4252799-2622799-26212503(Top 43%)3292(Top 26%)3292(Top 58%)
20K12.43 mi3.11 mi11582+992768+312768+3111457(Top 39%)2813(Top 22%)2813(Top 49%)
HALF13.11 mi0.68 mi11612-302786-182786-1812264(Top 42%)3169(Top 25%)3169(Top 55%)
25K15.53 mi2.42 mi11613-12822-362822-3611596(Top 40%)2949(Top 23%)2949(Top 52%)
30K18.64 mi3.11 mi11651-382887-652887-6511950(Top 41%)3278(Top 26%)3278(Top 57%)
20M20.00 mi1.36 mi11713-622939-522939-5212926(Top 45%)3890(Top 31%)3890(Top 68%)
21M21.00 mi1.00 mi11688+252946-72946-711657(Top 40%)3339(Top 27%)3339(Top 58%)
35K21.75 mi0.75 mi11683+52961-152961-1512230(Top 42%)3647(Top 29%)3647(Top 64%)
23M23.00 mi1.25 mi11702-193007-463007-4612583(Top 43%)3903(Top 31%)3903(Top 68%)
24M24.00 mi1.00 mi11680+223018-113018-1111807(Top 41%)3596(Top 29%)3596(Top 63%)
40K24.85 mi0.85 mi11683-33052-343052-3412586(Top 43%)4101(Top 33%)4101(Top 72%)
25.2M25.20 mi0.35 mi11692-93075-233075-2312622(Top 43%)4154(Top 33%)4154(Top 73%)
FINISH26.22 mi1.02 mi11770-783148-733148-7313797(Top 48%)4808(Top 38%)4808(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21
+97ft-345ft

Overall

12503

Females

3292

F18-39

3292

5K→10K

3.1 - 6.2 mi

Top 41%
×5
+79ft-138ft

Overall

11818

Females

2869

F18-39

2869

10K→15K

6.2 - 9.3 mi

Top 43%
×3
+67ft-78ft

Overall

12503

Females

3292

F18-39

3292

15K→20K

9.3 - 12.4 mi

Top 39%
×5
+106ft-86ft

Overall

11457

Females

2813

F18-39

2813

20K→HALF

12.4 - 13.1 mi

Top 42%
×2
+19ft-37ft

Overall

12264

Females

3169

F18-39

3169

HALF→25K

13.1 - 15.5 mi

Top 40%
×4
+66ft-88ft

Overall

11596

Females

2949

F18-39

2949

25K→30K

15.5 - 18.6 mi

Top 41%
×9
+181ft-148ft

Overall

11950

Females

3278

F18-39

3278

30K→20M

18.6 - 20.0 mi

Top 45%
×5
+64ft-50ft

Overall

12926

Females

3890

F18-39

3890

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11657

Females

3339

F18-39

3339

21M→35K

21.0 - 21.8 mi

Top 42%
×7
+17ft-86ft

Overall

12230

Females

3647

F18-39

3647

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12583

Females

3903

F18-39

3903

23M→24M

23.0 - 24.0 mi

Top 41%
×6
+12ft-82ft

Overall

11807

Females

3596

F18-39

3596

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12586

Females

4101

F18-39

4101

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1
+13ft-16ft

Overall

12622

Females

4154

F18-39

4154

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13797

Females

4808

F18-39

4808

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1280
Passed By
2264
Net Change
-985
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10785
5K → 10K88558-471#10785#11256
10K → 15K77502-425#11256#11681
15K → 20K19798+99#11681#11582
20K → HALF2151-30#11582#11612
HALF → 25K115116-1#11612#11613
25K → 30K183221-38#11613#11651
30K → 20M70132-62#11651#11713
20M → 21M9469+25#11713#11688
21M → 35K6459+5#11688#11683
35K → 23M102121-19#11683#11702
23M → 24M8664+22#11702#11680
24M → 40K8891-3#11680#11683
40K → 25.2M3645-9#11683#11692
25.2M → FINISH59137-78#11692#11770
TOTALS12802264-985
📊

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