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BOSTON MARATHON 2026

Kirstin Pellom

Bib: 24363•F

NC

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
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
27:16
3.11 mi
Rank: #21588
Start → 5K
27:16 | 8:47/mi
10K
54:53
6.21 mi
Rank: #21971 (-383)
5K → 10K
27:37 | 8:54/mi
15K
1:23:30
9.32 mi
Rank: #22555 (-584)
10K → 15K
28:37 | 9:13/mi
20K
1:51:46
12.43 mi
Rank: #22459 (+96)
15K → 20K
28:16 | 9:06/mi
HALF
1:57:56
13.11 mi
Rank: #22476 (-17)
20K → HALF
6:10 | 9:03/mi
25K
2:20:30
15.53 mi
Rank: #22460 (+16)
HALF → 25K
22:34 | 9:19/mi
30K
2:49:48
18.64 mi
Rank: #22241 (+219)
25K → 30K
29:18 | 9:26/mi
20M
3:02:59
20.00 mi
Rank: #22206 (+35)
30K → 20M
13:11 | 9:43/mi
21M
3:13:06
21.00 mi
Rank: #22094 (+112)
20M → 21M
10:07 | 10:07/mi
35K
3:20:14
21.75 mi
Rank: #22093 (+1)
21M → 35K
7:08 | 9:33/mi
23M
3:32:06
23.00 mi
Rank: #22010 (+83)
35K → 23M
11:52 | 9:29/mi
24M
3:41:13
24.00 mi
Rank: #21939 (+71)
23M → 24M
9:07 | 9:07/mi
40K
3:49:02
24.85 mi
Rank: #21868 (+71)
24M → 40K
7:49 | 9:09/mi
25.2M
3:52:22
25.20 mi
Rank: #21814 (+54)
40K → 25.2M
3:20 | 9:40/mi
FINISH
4:01:02
26.22 mi
Rank: #21720 (+94)
25.2M → FINISH
8:40 | 8:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:57:56
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:03:06
Pace9:24 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:4227:168:4727:16
8:47
-
10K
6.21 mi11:59:1954:538:5027:37
8:54
+0:07
15K
9.32 mi12:27:561:23:308:5828:37
9:13
+0:19
20K
12.43 mi12:56:121:51:469:0028:16
9:06
-0:07
HALF
13.11 mi13:02:221:57:569:006:10
9:03
-0:03
25K
15.53 mi13:24:562:20:309:0322:34
9:19
+0:16
30K
18.64 mi13:54:142:49:489:0729:18
9:26
+0:07
20M
20.00 mi14:07:253:02:599:0913:11
9:43
+0:17
21M
21.00 mi14:17:323:13:069:1210:07
10:07
+0:24
35K
21.75 mi14:24:403:20:149:137:08
9:33
-0:34
23M
23.00 mi14:36:323:32:069:1411:52
9:29
-0:04
24M
24.00 mi14:45:393:41:139:149:07
9:07
-0:22
40K
24.85 mi14:53:283:49:029:137:49
9:09
+0:02
25.2M
25.20 mi14:56:483:52:229:143:20
9:40
+0:31
FINISH
26.22 mi15:05:284:01:029:128:40
8:31
-1:09

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

8:31 /mi

Average Pace

9:12 /mi

Slowest Pace

10:07 /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

2:46:06

69% of race

Time at Steady Pace

1:04:49

27% of race

Time at Slower Pace

10:07

4% of race

Average Pace: 9:12 /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 mi11:31:4227:168:4727:16
8:47
#21588
10K
6.21 mi11:59:1954:538:5027:37
8:54
#21971
15K
9.32 mi12:27:561:23:308:5828:37
9:13
#22555
20K
12.43 mi12:56:121:51:469:0028:16
9:06
#22459
HALF
13.11 mi13:02:221:57:569:006:10
9:03
#22476
25K
15.53 mi13:24:562:20:309:0322:34
9:19
#22460
30K
18.64 mi13:54:142:49:489:0729:18
9:26
#22241
20M
20.00 mi14:07:253:02:599:0913:11
9:43
#22206
21M
21.00 mi14:17:323:13:069:1210:07
10:07
#22094
35K
21.75 mi14:24:403:20:149:137:08
9:33
#22093
23M
23.00 mi14:36:323:32:069:1411:52
9:29
#22010
24M
24.00 mi14:45:393:41:139:149:07
9:07
#21939
40K
24.85 mi14:53:283:49:029:137:49
9:09
#21868
25.2M
25.20 mi14:56:483:52:229:143:20
9:40
#21814
FINISH
26.22 mi15:05:284:01:029:128:40
8:31
#21720
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi215888484848423535(Top 81%)9425(Top 75%)9425(Top 764%)
10K6.21 mi3.10 mi21971-3838654-1708654-17022359(Top 77%)8831(Top 70%)8831(Top 716%)
15K9.32 mi3.11 mi22555-5848934-2808934-28023535(Top 81%)9425(Top 75%)9425(Top 764%)
20K12.43 mi3.11 mi22459+968887+478887+4722361(Top 77%)8840(Top 70%)8840(Top 717%)
HALF13.11 mi0.68 mi22476-178894-78894-722956(Top 79%)9133(Top 73%)9133(Top 741%)
25K15.53 mi2.42 mi22460+168889+58889+522428(Top 77%)8895(Top 71%)8895(Top 721%)
30K18.64 mi3.11 mi22241+2198808+818808+8121403(Top 74%)8473(Top 67%)8473(Top 687%)
20M20.00 mi1.36 mi22206+358797+118797+1121752(Top 75%)8725(Top 69%)8725(Top 708%)
21M21.00 mi1.00 mi22094+1128759+388759+3820827(Top 72%)8288(Top 66%)8288(Top 672%)
35K21.75 mi0.75 mi22093+18768-98768-921884(Top 75%)8896(Top 71%)8896(Top 721%)
23M23.00 mi1.25 mi22010+838757+118757+1120560(Top 71%)8239(Top 66%)8239(Top 668%)
24M24.00 mi1.00 mi21939+718725+328725+3219968(Top 69%)8045(Top 64%)8045(Top 652%)
40K24.85 mi0.85 mi21868+718694+318694+3119082(Top 66%)7625(Top 61%)7625(Top 618%)
25.2M25.20 mi0.35 mi21814+548670+248670+2418170(Top 63%)7148(Top 57%)7148(Top 580%)
FINISH26.22 mi1.02 mi21720+948622+488622+4818225(Top 63%)7171(Top 57%)7171(Top 582%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21
+97ft-345ft

Overall

23535

Females

9425

F50-54

9425

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22359

Females

8831

F50-54

8831

10K→15K

6.2 - 9.3 mi

Top 81%
×3
+67ft-78ft

Overall

23535

Females

9425

F50-54

9425

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22361

Females

8840

F50-54

8840

20K→HALF

12.4 - 13.1 mi

Top 79%
×2
+19ft-37ft

Overall

22956

Females

9133

F50-54

9133

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22428

Females

8895

F50-54

8895

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21403

Females

8473

F50-54

8473

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21752

Females

8725

F50-54

8725

20M→21M

20.0 - 21.0 mi

Top 72%
×8
+106ft-24ft

Overall

20827

Females

8288

F50-54

8288

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21884

Females

8896

F50-54

8896

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20560

Females

8239

F50-54

8239

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

19968

Females

8045

F50-54

8045

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19082

Females

7625

F50-54

7625

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18170

Females

7148

F50-54

7148

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18225

Females

7171

F50-54

7171

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1572
Passed By
1704
Net Change
-132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21588
5K → 10K134517-383#21588#21971
10K → 15K32616-584#21971#22555
15K → 20K223127+96#22555#22459
20K → HALF2340-17#22459#22476
HALF → 25K134118+16#22476#22460
25K → 30K29071+219#22460#22241
30K → 20M9661+35#22241#22206
20M → 21M13523+112#22206#22094
21M → 35K4443+1#22094#22093
35K → 23M12946+83#22093#22010
23M → 24M8514+71#22010#21939
24M → 40K8514+71#21939#21868
40K → 25.2M562+54#21868#21814
25.2M → FINISH10612+94#21814#21720
TOTALS15721704-132
📊

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