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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Heidi Heuerman

Bib: 7578 •F •Age: N/A

TX

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 23%
Gender (Female)
#0 / 12578
Top 7%
Age Group (F18-39)
#0 / 5716
Top 13%
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
21:54
3.11 mi
Rank: #8967
Start → 5K
21:54 | 7:03/mi
10K
44:07
6.21 mi
Rank: #9346 (-379)
5K → 10K
22:13 | 7:10/mi
15K
1:06:26
9.32 mi
Rank: #9500 (-154)
10K → 15K
22:19 | 7:11/mi
20K
1:28:37
12.43 mi
Rank: #9331 (+169)
15K → 20K
22:11 | 7:09/mi
HALF
1:33:25
13.11 mi
Rank: #9308 (+23)
20K → HALF
4:48 | 7:03/mi
25K
1:50:28
15.53 mi
Rank: #9008 (+300)
HALF → 25K
17:03 | 7:02/mi
30K
2:12:21
18.64 mi
Rank: #8419 (+589)
25K → 30K
21:53 | 7:03/mi
20M
2:21:50
20.00 mi
Rank: #8157 (+262)
30K → 20M
9:29 | 6:59/mi
21M
2:29:06
21.00 mi
Rank: #7956 (+201)
20M → 21M
7:16 | 7:16/mi
35K
2:34:08
21.75 mi
Rank: #7829 (+127)
21M → 35K
5:02 | 6:44/mi
23M
2:42:35
23.00 mi
Rank: #7511 (+318)
35K → 23M
8:27 | 6:46/mi
24M
2:49:06
24.00 mi
Rank: #7274 (+237)
23M → 24M
6:31 | 6:31/mi
40K
2:54:39
24.85 mi
Rank: #7028 (+246)
24M → 40K
5:33 | 6:30/mi
25.2M
2:57:00
25.20 mi
Rank: #6914 (+114)
40K → 25.2M
2:21 | 6:49/mi
FINISH
3:03:24
26.22 mi
Rank: #6705 (+209)
25.2M → FINISH
6:24 | 6:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:33:25
Pace7:08 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:29:59
Pace6:52 /mi
📊Negative Split: 3.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:2921:547:0321:54
7:03
-
10K
6.21 mi10:51:4244:077:0622:13
7:10
+0:07
15K
9.32 mi11:14:011:06:267:0822:19
7:11
+0:01
20K
12.43 mi11:36:121:28:377:0822:11
7:09
-0:02
HALF
13.11 mi11:41:001:33:257:084:48
7:03
-0:06
25K
15.53 mi11:58:031:50:287:0717:03
7:02
-0:01
30K
18.64 mi12:19:562:12:217:0621:53
7:03
+0:01
20M
20.00 mi12:29:252:21:507:069:29
6:59
-0:04
21M
21.00 mi12:36:412:29:067:077:16
7:16
+0:17
35K
21.75 mi12:41:432:34:087:065:02
6:44
-0:32
23M
23.00 mi12:50:102:42:357:058:27
6:46
+0:02
24M
24.00 mi12:56:412:49:067:036:31
6:31
-0:15
40K
24.85 mi13:02:142:54:397:025:33
6:30
-0:01
25.2M
25.20 mi13:04:352:57:007:022:21
6:49
+0:19
FINISH
26.22 mi13:10:593:03:247:006:24
6:17
-0:32

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

6:17 /mi

Average Pace

7:00 /mi

Slowest Pace

7:16 /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

34:18

19% of race

Time at Steady Pace

2:29:06

81% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:00 /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 mi10:29:2921:547:0321:54
7:03
#8967
10K
6.21 mi10:51:4244:077:0622:13
7:10
#9346
15K
9.32 mi11:14:011:06:267:0822:19
7:11
#9500
20K
12.43 mi11:36:121:28:377:0822:11
7:09
#9331
HALF
13.11 mi11:41:001:33:257:084:48
7:03
#9308
25K
15.53 mi11:58:031:50:287:0717:03
7:02
#9008
30K
18.64 mi12:19:562:12:217:0621:53
7:03
#8419
20M
20.00 mi12:29:252:21:507:069:29
6:59
#8157
21M
21.00 mi12:36:412:29:067:077:16
7:16
#7956
35K
21.75 mi12:41:432:34:087:065:02
6:44
#7829
23M
23.00 mi12:50:102:42:357:058:27
6:46
#7511
24M
24.00 mi12:56:412:49:067:036:31
6:31
#7274
40K
24.85 mi13:02:142:54:397:025:33
6:30
#7028
25.2M
25.20 mi13:04:352:57:007:022:21
6:49
#6914
FINISH
26.22 mi13:10:593:03:247:006:24
6:17
#6705
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 mi8967139613969977(Top 34%)1928(Top 15%)1928(Top 34%)
10K6.21 mi3.10 mi9346-3791568-1721568-1729812(Top 34%)1810(Top 14%)1810(Top 32%)
15K9.32 mi3.11 mi9500-1541662-941662-949977(Top 34%)1928(Top 15%)1928(Top 34%)
20K12.43 mi3.11 mi9331+1691616+461616+468879(Top 31%)1503(Top 12%)1503(Top 26%)
HALF13.11 mi0.68 mi9308+231611+51611+59014(Top 31%)1497(Top 12%)1497(Top 26%)
25K15.53 mi2.42 mi9008+3001508+1031508+1037627(Top 26%)1068(Top 8%)1068(Top 19%)
30K18.64 mi3.11 mi8419+5891316+1921316+1926270(Top 22%)756(Top 6%)756(Top 13%)
20M20.00 mi1.36 mi8157+2621238+781238+785457(Top 19%)601(Top 5%)601(Top 11%)
21M21.00 mi1.00 mi7956+2011180+581180+585097(Top 18%)619(Top 5%)619(Top 11%)
35K21.75 mi0.75 mi7829+1271147+331147+335220(Top 18%)615(Top 5%)615(Top 11%)
23M23.00 mi1.25 mi7511+3181047+1001047+1003824(Top 13%)372(Top 3%)372(Top 7%)
24M24.00 mi1.00 mi7274+237982+65982+653293(Top 11%)303(Top 2%)303(Top 5%)
40K24.85 mi0.85 mi7028+246935+47935+472554(Top 9%)204(Top 2%)204(Top 4%)
25.2M25.20 mi0.35 mi6914+114901+34901+341992(Top 7%)147(Top 1%)147(Top 3%)
FINISH26.22 mi1.02 mi6705+209852+49852+492953(Top 10%)308(Top 2%)308(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21
+97ft-345ft

Overall

9977

Females

1928

F18-39

1928

5K→10K

3.1 - 6.2 mi

Top 34%
×5
+79ft-138ft

Overall

9812

Females

1810

F18-39

1810

10K→15K

6.2 - 9.3 mi

Top 34%
×3
+67ft-78ft

Overall

9977

Females

1928

F18-39

1928

15K→20K

9.3 - 12.4 mi

Top 31%
×5
+106ft-86ft

Overall

8879

Females

1503

F18-39

1503

20K→HALF

12.4 - 13.1 mi

Top 31%
×2
+19ft-37ft

Overall

9014

Females

1497

F18-39

1497

HALF→25K

13.1 - 15.5 mi

Top 26%
×4
+66ft-88ft

Overall

7627

Females

1068

F18-39

1068

25K→30K

15.5 - 18.6 mi

Top 22%
×9
+181ft-148ft

Overall

6270

Females

756

F18-39

756

30K→20M

18.6 - 20.0 mi

Top 19%
×5
+64ft-50ft

Overall

5457

Females

601

F18-39

601

20M→21M

20.0 - 21.0 mi

Top 18%
×8
+106ft-24ft

Overall

5097

Females

619

F18-39

619

21M→35K

21.0 - 21.8 mi

Top 18%
×7
+17ft-86ft

Overall

5220

Females

615

F18-39

615

35K→23M

21.8 - 23.0 mi

Top 13%
×5
+23ft-63ft

Overall

3824

Females

372

F18-39

372

23M→24M

23.0 - 24.0 mi

Top 11%
×6
+12ft-82ft

Overall

3293

Females

303

F18-39

303

24M→40K

24.0 - 24.9 mi

Top 9%
×1
+6ft-20ft

Overall

2554

Females

204

F18-39

204

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1
+13ft-16ft

Overall

1992

Females

147

F18-39

147

25.2M→FINISH

25.2 - 26.2 mi

Top 10%
×2
+22ft-21ft

Overall

2953

Females

308

F18-39

308

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3075*
Passed By
497
Net Change
+2262
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8967
5K → 10K93200-379#8967#9346
10K → 15K90200-154#9346#9500
15K → 20K230*61+169#9500#9331
20K → HALF3916+23#9331#9308
HALF → 25K307*7+300#9308#9008
25K → 30K591*2+589#9008#8419
30K → 20M263*1+262#8419#8157
20M → 21M203*2+201#8157#7956
21M → 35K1314+127#7956#7829
35K → 23M320*2+318#7829#7511
23M → 24M237*0+237#7511#7274
24M → 40K246*0+246#7274#7028
40K → 25.2M1140+114#7028#6914
25.2M → FINISH211*2+209#6914#6705
TOTALS3075*497+2262

* 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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