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BOSTON MARATHON 2026

Krystal Buckley

Bib: 18456•F

NH

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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
23:39
3.11 mi
Rank: #13772
Start → 5K
23:39 | 7:37/mi
10K
47:15
6.21 mi
Rank: #13774 (-2)
5K → 10K
23:36 | 7:36/mi
15K
1:10:50
9.32 mi
Rank: #13680 (+94)
10K → 15K
23:35 | 7:36/mi
20K
1:34:50
12.43 mi
Rank: #13692 (-12)
15K → 20K
24:00 | 7:44/mi
HALF
1:40:00
13.11 mi
Rank: #13681 (+11)
20K → HALF
5:10 | 7:35/mi
25K
1:58:57
15.53 mi
Rank: #13705 (-24)
HALF → 25K
18:57 | 7:49/mi
30K
2:24:26
18.64 mi
Rank: #13915 (-210)
25K → 30K
25:29 | 8:13/mi
20M
2:35:25
20.00 mi
Rank: #13849 (+66)
30K → 20M
10:59 | 8:06/mi
21M
2:44:03
21.00 mi
Rank: #13840 (+9)
20M → 21M
8:38 | 8:38/mi
35K
2:49:50
21.75 mi
Rank: #13776 (+64)
21M → 35K
5:47 | 7:44/mi
23M
2:59:59
23.00 mi
Rank: #13729 (+47)
35K → 23M
10:09 | 8:07/mi
24M
3:07:49
24.00 mi
Rank: #13670 (+59)
23M → 24M
7:50 | 7:50/mi
40K
3:14:32
24.85 mi
Rank: #13564 (+106)
24M → 40K
6:43 | 7:52/mi
25.2M
3:17:36
25.20 mi
Rank: #13572 (-8)
40K → 25.2M
3:04 | 8:54/mi
FINISH
3:25:16
26.22 mi
Rank: #13457 (+115)
25.2M → FINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:00
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:45:16
Pace8:02 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:4523:397:3723:39
7:37
-
10K
6.21 mi11:29:2147:157:3723:36
7:36
-0:01
15K
9.32 mi11:52:561:10:507:3623:35
7:36
0:00
20K
12.43 mi12:16:561:34:507:3824:00
7:44
+0:08
HALF
13.11 mi12:22:061:40:007:385:10
7:35
-0:09
25K
15.53 mi12:41:031:58:577:4018:57
7:49
+0:14
30K
18.64 mi13:06:322:24:267:4525:29
8:13
+0:24
20M
20.00 mi13:17:312:35:257:4710:59
8:06
-0:07
21M
21.00 mi13:26:092:44:037:498:38
8:38
+0:32
35K
21.75 mi13:31:562:49:507:495:47
7:44
-0:54
23M
23.00 mi13:42:052:59:597:5010:09
8:07
+0:23
24M
24.00 mi13:49:553:07:497:507:50
7:50
-0:17
40K
24.85 mi13:56:383:14:327:506:43
7:52
+0:02
25.2M
25.20 mi13:59:423:17:367:513:04
8:54
+1:02
FINISH
26.22 mi14:07:223:25:167:517:40
7:32
-1:22

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

7:32 /mi

Average Pace

7:50 /mi

Slowest Pace

8:54 /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

3:13:34

94% of race

Time at Steady Pace

8:38

4% of race

Time at Slower Pace

3:04

1% of race

Average Pace: 7:50 /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 mi11:05:4523:397:3723:39
7:37
#13772
10K
6.21 mi11:29:2147:157:3723:36
7:36
#13774
15K
9.32 mi11:52:561:10:507:3623:35
7:36
#13680
20K
12.43 mi12:16:561:34:507:3824:00
7:44
#13692
HALF
13.11 mi12:22:061:40:007:385:10
7:35
#13681
25K
15.53 mi12:41:031:58:577:4018:57
7:49
#13705
30K
18.64 mi13:06:322:24:267:4525:29
8:13
#13915
20M
20.00 mi13:17:312:35:257:4710:59
8:06
#13849
21M
21.00 mi13:26:092:44:037:498:38
8:38
#13840
35K
21.75 mi13:31:562:49:507:495:47
7:44
#13776
23M
23.00 mi13:42:052:59:597:5010:09
8:07
#13729
24M
24.00 mi13:49:553:07:497:507:50
7:50
#13670
40K
24.85 mi13:56:383:14:327:506:43
7:52
#13564
25.2M
25.20 mi13:59:423:17:367:513:04
8:54
#13572
FINISH
26.22 mi14:07:223:25:167:517:40
7:32
#13457
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 mi137723944394413595(Top 47%)3915(Top 31%)3915(Top 68%)
10K6.21 mi3.10 mi13774-23956-123956-1213845(Top 48%)4027(Top 32%)4027(Top 70%)
15K9.32 mi3.11 mi13680+943921+353921+3513595(Top 47%)3915(Top 31%)3915(Top 68%)
20K12.43 mi3.11 mi13692-123963-423963-4213930(Top 48%)4181(Top 33%)4181(Top 73%)
HALF13.11 mi0.68 mi13681+113958+53958+513720(Top 47%)3991(Top 32%)3991(Top 70%)
25K15.53 mi2.42 mi13705-244000-424000-4213954(Top 48%)4262(Top 34%)4262(Top 75%)
30K18.64 mi3.11 mi13915-2104144-1444144-14414941(Top 51%)4936(Top 39%)4936(Top 86%)
20M20.00 mi1.36 mi13849+664139+54139+513430(Top 46%)4180(Top 33%)4180(Top 73%)
21M21.00 mi1.00 mi13840+94162-234162-2313982(Top 48%)4568(Top 36%)4568(Top 80%)
35K21.75 mi0.75 mi13776+644147+154147+1512583(Top 43%)3857(Top 31%)3857(Top 67%)
23M23.00 mi1.25 mi13729+474155-84155-813216(Top 46%)4289(Top 34%)4289(Top 75%)
24M24.00 mi1.00 mi13670+594143+124143+1212587(Top 43%)4026(Top 32%)4026(Top 70%)
40K24.85 mi0.85 mi13564+1064096+474096+4711498(Top 40%)3521(Top 28%)3521(Top 62%)
25.2M25.20 mi0.35 mi13572-84113-174113-1714109(Top 49%)4950(Top 39%)4950(Top 87%)
FINISH26.22 mi1.02 mi13457+1154070+434070+4311655(Top 40%)3689(Top 29%)3689(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13595

Females

3915

F18-39

3915

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13845

Females

4027

F18-39

4027

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13595

Females

3915

F18-39

3915

15K→20K

9.3 - 12.4 mi

Top 48%
×5
+106ft-86ft

Overall

13930

Females

4181

F18-39

4181

20K→HALF

12.4 - 13.1 mi

Top 47%
×2
+19ft-37ft

Overall

13720

Females

3991

F18-39

3991

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

13954

Females

4262

F18-39

4262

25K→30K

15.5 - 18.6 mi

Top 51%
×9
+181ft-148ft

Overall

14941

Females

4936

F18-39

4936

30K→20M

18.6 - 20.0 mi

Top 46%
×5
+64ft-50ft

Overall

13430

Females

4180

F18-39

4180

20M→21M

20.0 - 21.0 mi

Top 48%
×8
+106ft-24ft

Overall

13982

Females

4568

F18-39

4568

21M→35K

21.0 - 21.8 mi

Top 43%
×7
+17ft-86ft

Overall

12583

Females

3857

F18-39

3857

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13216

Females

4289

F18-39

4289

23M→24M

23.0 - 24.0 mi

Top 43%
×6
+12ft-82ft

Overall

12587

Females

4026

F18-39

4026

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11498

Females

3521

F18-39

3521

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1
+13ft-16ft

Overall

14109

Females

4950

F18-39

4950

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11655

Females

3689

F18-39

3689

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1695*
Passed By
1242
Net Change
+315
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13772
5K → 10K200200-2#13772#13774
10K → 15K246*152+94#13774#13680
15K → 20K167179-12#13680#13692
20K → HALF3928+11#13692#13681
HALF → 25K106130-24#13681#13705
25K → 30K126200-210#13705#13915
30K → 20M12862+66#13915#13849
20M → 21M10192+9#13849#13840
21M → 35K8420+64#13840#13776
35K → 23M11164+47#13776#13729
23M → 24M10142+59#13729#13670
24M → 40K12317+106#13670#13564
40K → 25.2M2634-8#13564#13572
25.2M → FINISH13722+115#13572#13457
TOTALS1695*1242+315

* 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

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing