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BOSTON MARATHON 2026

Karen Heidish

Bib: 22772•F

GA

Masters
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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 45%
Masters (Masters Women)
#0 / 6862
Top 31%
Age Group (F50-54)
#0 / 1233
Top 25%
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· 3.11 mi
25:36
Rank: #18479
Start → 5K
25:36 | 8:15/mi
10K· 6.21 mi
50:36
Rank: #18044 (+435)
5K → 10K
25:00 | 8:03/mi
15K· 9.32 mi
1:15:32
Rank: #17788 (+256)
10K → 15K
24:56 | 8:02/mi
20K· 12.43 mi
1:40:54
Rank: #17644 (+144)
15K → 20K
25:22 | 8:10/mi
HALF· 13.11 mi
1:46:21
Rank: #17603 (+41)
20K → HALF
5:27 | 8:00/mi
25K· 15.53 mi
2:06:13
Rank: #17455 (+148)
HALF → 25K
19:52 | 8:12/mi
30K· 18.64 mi
2:32:11
Rank: #17137 (+318)
25K → 30K
25:58 | 8:22/mi
20M
2:43:50
Rank: #17088 (+49)
30K → 20M
11:39 | 8:35/mi
21M
2:52:32
Rank: #16908 (+180)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:58:37
Rank: #16835 (+73)
21M → 35K
6:05 | 8:08/mi
23M
3:08:56
Rank: #16648 (+187)
35K → 23M
10:19 | 8:15/mi
24M
3:16:52
Rank: #16481 (+167)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:23:48
Rank: #16328 (+153)
24M → 40K
6:56 | 8:07/mi
25.2M
3:26:42
Rank: #16241 (+87)
40K → 25.2M
2:54 | 8:25/mi
FINISH· 26.22 mi
3:34:33
Rank: #16111 (+130)
25.2M → FINISH
7:51 | 7:43/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
Time1:46:21
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:48:12
Pace8:16 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4925:368:1525:36
8:15
-
10K
6.21 mi11:52:4950:368:0925:00
8:03
-0:12
15K
9.32 mi12:17:451:15:328:0724:56
8:02
-0:01
20K
12.43 mi12:43:071:40:548:0825:22
8:10
+0:08
HALF
13.11 mi12:48:341:46:218:075:27
8:00
-0:10
25K
15.53 mi13:08:262:06:138:0819:52
8:12
+0:12
30K
18.64 mi13:34:242:32:118:1025:58
8:22
+0:10
20M
20.00 mi13:46:032:43:508:1211:39
8:35
+0:13
21M
21.00 mi13:54:452:52:328:138:42
8:42
+0:07
35K
21.75 mi14:00:502:58:378:136:05
8:08
-0:34
23M
23.00 mi14:11:093:08:568:1310:19
8:15
+0:07
24M
24.00 mi14:19:053:16:528:137:56
7:56
-0:19
40K
24.85 mi14:26:013:23:488:126:56
8:07
+0:11
25.2M
25.20 mi14:28:553:26:428:132:54
8:25
+0:18
FINISH
26.22 mi14:36:463:34:338:127:51
7:43
-0:42

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

7:43 /mi

Average Pace

8:11 /mi

Slowest Pace

8:42 /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

3:14:12

91% of race

Time at Steady Pace

20:21

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi11:27:4925:368:1525:36
8:15
#18479
10K
6.21 mi11:52:4950:368:0925:00
8:03
#18044
15K
9.32 mi12:17:451:15:328:0724:56
8:02
#17788
20K
12.43 mi12:43:071:40:548:0825:22
8:10
#17644
HALF
13.11 mi12:48:341:46:218:075:27
8:00
#17603
25K
15.53 mi13:08:262:06:138:0819:52
8:12
#17455
30K
18.64 mi13:34:242:32:118:1025:58
8:22
#17137
20M
20.00 mi13:46:032:43:508:1211:39
8:35
#17088
21M
21.00 mi13:54:452:52:328:138:42
8:42
#16908
35K
21.75 mi14:00:502:58:378:136:05
8:08
#16835
23M
23.00 mi14:11:093:08:568:1310:19
8:15
#16648
24M
24.00 mi14:19:053:16:528:137:56
7:56
#16481
40K
24.85 mi14:26:013:23:488:126:56
8:07
#16328
25.2M
25.20 mi14:28:553:26:428:132:54
8:25
#16241
FINISH
26.22 mi14:36:463:34:338:127:51
7:43
#16111
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 mi184796781678117220(Top 59%)6034(Top 48%)6034(Top 489%)
10K6.21 mi3.10 mi18044+4356520+2616520+26117605(Top 61%)6264(Top 50%)6264(Top 508%)
15K9.32 mi3.11 mi17788+2566367+1536367+15317220(Top 59%)6034(Top 48%)6034(Top 489%)
20K12.43 mi3.11 mi17644+1446299+686299+6817267(Top 59%)6084(Top 48%)6084(Top 493%)
HALF13.11 mi0.68 mi17603+416270+296270+2917111(Top 59%)5970(Top 47%)5970(Top 484%)
25K15.53 mi2.42 mi17455+1486183+876183+8716747(Top 58%)5849(Top 47%)5849(Top 474%)
30K18.64 mi3.11 mi17137+3186039+1446039+14416008(Top 55%)5520(Top 44%)5520(Top 448%)
20M20.00 mi1.36 mi17088+496025+146025+1416647(Top 57%)5998(Top 48%)5998(Top 486%)
21M21.00 mi1.00 mi16908+1805941+845941+8414413(Top 50%)4812(Top 38%)4812(Top 390%)
35K21.75 mi0.75 mi16835+735923+185923+1815407(Top 53%)5415(Top 43%)5415(Top 439%)
23M23.00 mi1.25 mi16648+1875838+855838+8514114(Top 49%)4772(Top 38%)4772(Top 387%)
24M24.00 mi1.00 mi16481+1675765+735765+7313333(Top 46%)4440(Top 35%)4440(Top 360%)
40K24.85 mi0.85 mi16328+1535706+595706+5913259(Top 46%)4482(Top 36%)4482(Top 364%)
25.2M25.20 mi0.35 mi16241+875665+415665+4111184(Top 39%)3475(Top 28%)3475(Top 282%)
FINISH26.22 mi1.02 mi16111+1305619+465619+4613065(Top 45%)4429(Top 35%)4429(Top 359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

17220

Females

6034

F50-54

6034

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17605

Females

6264

F50-54

6264

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

17220

Females

6034

F50-54

6034

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

17267

Females

6084

F50-54

6084

20K→HALF

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

17111

Females

5970

F50-54

5970

HALF→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16747

Females

5849

F50-54

5849

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

16008

Females

5520

F50-54

5520

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16647

Females

5998

F50-54

5998

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14413

Females

4812

F50-54

4812

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15407

Females

5415

F50-54

5415

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

14114

Females

4772

F50-54

4772

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13333

Females

4440

F50-54

4440

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13259

Females

4482

F50-54

4482

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11184

Females

3475

F50-54

3475

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

13065

Females

4429

F50-54

4429

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2925
Passed By
557
Net Change
+2368
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18479
5K → 10K565130+435#18479#18044
10K → 15K32266+256#18044#17788
15K → 20K24197+144#17788#17644
20K → HALF5918+41#17644#17603
HALF → 25K20658+148#17603#17455
25K → 30K37456+318#17455#17137
30K → 20M10253+49#17137#17088
20M → 21M19313+180#17088#16908
21M → 35K9724+73#16908#16835
35K → 23M19912+187#16835#16648
23M → 24M17710+167#16648#16481
24M → 40K1607+153#16481#16328
40K → 25.2M870+87#16328#16241
25.2M → FINISH14313+130#16241#16111
TOTALS2925557+2368
📊

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