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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Erin Potterton

Bib: 19342 •F •Age: N/A

TN

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 44%
Gender (Female)
#0 / 12578
Top 29%
Masters (Masters Women)
#0 / 6862
Top 13%
Age Group (F40-44)
#0 / 1737
Top 30%
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
24:18
3.11 mi
Rank: #15604
Start → 5K
24:18 | 7:50/mi
10K
48:15
6.21 mi
Rank: #15197 (+407)
5K → 10K
23:57 | 7:43/mi
15K
1:12:33
9.32 mi
Rank: #15293 (-96)
10K → 15K
24:18 | 7:50/mi
20K
1:36:29
12.43 mi
Rank: #14855 (+438)
15K → 20K
23:56 | 7:43/mi
HALF
1:41:49
13.11 mi
Rank: #14893 (-38)
20K → HALF
5:20 | 7:50/mi
25K
2:01:01
15.53 mi
Rank: #14859 (+34)
HALF → 25K
19:12 | 7:56/mi
30K
2:25:46
18.64 mi
Rank: #14522 (+337)
25K → 30K
24:45 | 7:58/mi
20M
2:36:23
20.00 mi
Rank: #14257 (+265)
30K → 20M
10:37 | 7:49/mi
21M
2:44:22
21.00 mi
Rank: #13960 (+297)
20M → 21M
7:59 | 7:59/mi
35K
2:49:53
21.75 mi
Rank: #13792 (+168)
21M → 35K
5:31 | 7:23/mi
23M
2:59:20
23.00 mi
Rank: #13494 (+298)
35K → 23M
9:27 | 7:34/mi
24M
3:06:34
24.00 mi
Rank: #13226 (+268)
23M → 24M
7:14 | 7:14/mi
40K
3:12:49
24.85 mi
Rank: #13009 (+217)
24M → 40K
6:15 | 7:19/mi
25.2M
3:15:33
25.20 mi
Rank: #12923 (+86)
40K → 25.2M
2:44 | 7:56/mi
FINISH
3:22:50
26.22 mi
Rank: #12707 (+216)
25.2M → FINISH
7:17 | 7:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:41:49
Pace7:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:01
Pace7:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:3024:187:5024:18
7:50
-
10K
6.21 mi11:32:2748:157:4623:57
7:43
-0:07
15K
9.32 mi11:56:451:12:337:4824:18
7:50
+0:07
20K
12.43 mi12:20:411:36:297:4623:56
7:43
-0:07
HALF
13.11 mi12:26:011:41:497:475:20
7:50
+0:07
25K
15.53 mi12:45:132:01:017:4819:12
7:56
+0:06
30K
18.64 mi13:09:582:25:467:5024:45
7:58
+0:02
20M
20.00 mi13:20:352:36:237:5010:37
7:49
-0:09
21M
21.00 mi13:28:342:44:227:507:59
7:59
+0:10
35K
21.75 mi13:34:052:49:537:495:31
7:23
-0:36
23M
23.00 mi13:43:322:59:207:489:27
7:34
+0:11
24M
24.00 mi13:50:463:06:347:477:14
7:14
-0:20
40K
24.85 mi13:57:013:12:497:466:15
7:19
+0:05
25.2M
25.20 mi13:59:453:15:337:462:44
7:56
+0:37
FINISH
26.22 mi14:07:023:22:507:457:17
7:09
-0:47

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

7:09 /mi

Average Pace

7:45 /mi

Slowest Pace

7:59 /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

2:28:10

73% of race

Time at Steady Pace

54:40

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi11:08:3024:187:5024:18
7:50
#15604
10K
6.21 mi11:32:2748:157:4623:57
7:43
#15197
15K
9.32 mi11:56:451:12:337:4824:18
7:50
#15293
20K
12.43 mi12:20:411:36:297:4623:56
7:43
#14855
HALF
13.11 mi12:26:011:41:497:475:20
7:50
#14893
25K
15.53 mi12:45:132:01:017:4819:12
7:56
#14859
30K
18.64 mi13:09:582:25:467:5024:45
7:58
#14522
20M
20.00 mi13:20:352:36:237:5010:37
7:49
#14257
21M
21.00 mi13:28:342:44:227:507:59
7:59
#13960
35K
21.75 mi13:34:052:49:537:495:31
7:23
#13792
23M
23.00 mi13:43:322:59:207:489:27
7:34
#13494
24M
24.00 mi13:50:463:06:347:477:14
7:14
#13226
40K
24.85 mi13:57:013:12:497:466:15
7:19
#13009
25.2M
25.20 mi13:59:453:15:337:462:44
7:56
#12923
FINISH
26.22 mi14:07:023:22:507:457:17
7:09
#12707
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi156045060506015515(Top 53%)5048(Top 40%)5048(Top 291%)
10K6.21 mi3.10 mi15197+4074837+2234837+22314845(Top 51%)4598(Top 37%)4598(Top 265%)
15K9.32 mi3.11 mi15293-964915-784915-7815515(Top 53%)5048(Top 40%)5048(Top 291%)
20K12.43 mi3.11 mi14855+4384656+2594656+25913752(Top 47%)4073(Top 32%)4073(Top 234%)
HALF13.11 mi0.68 mi14893-384675-194675-1915737(Top 54%)5154(Top 41%)5154(Top 297%)
25K15.53 mi2.42 mi14859+344661+144661+1414735(Top 51%)4710(Top 37%)4710(Top 271%)
30K18.64 mi3.11 mi14522+3374513+1484513+14813253(Top 46%)3981(Top 32%)3981(Top 229%)
20M20.00 mi1.36 mi14257+2654378+1354378+13511494(Top 40%)3150(Top 25%)3150(Top 181%)
21M21.00 mi1.00 mi13960+2974235+1434235+1439839(Top 34%)2444(Top 19%)2444(Top 141%)
35K21.75 mi0.75 mi13792+1684153+824153+829974(Top 34%)2497(Top 20%)2497(Top 144%)
23M23.00 mi1.25 mi13494+2984014+1394014+1399275(Top 32%)2231(Top 18%)2231(Top 128%)
24M24.00 mi1.00 mi13226+2683876+1383876+1388155(Top 28%)1812(Top 14%)1812(Top 104%)
40K24.85 mi0.85 mi13009+2173780+963780+967574(Top 26%)1634(Top 13%)1634(Top 94%)
25.2M25.20 mi0.35 mi12923+863746+343746+348042(Top 28%)1924(Top 15%)1924(Top 111%)
FINISH26.22 mi1.02 mi12707+2163659+873659+878769(Top 30%)2290(Top 18%)2290(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15515

Females

5048

F40-44

5048

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14845

Females

4598

F40-44

4598

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15515

Females

5048

F40-44

5048

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13752

Females

4073

F40-44

4073

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15737

Females

5154

F40-44

5154

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14735

Females

4710

F40-44

4710

25K→30K

15.5 - 18.6 mi

Top 46%
×9
+181ft-148ft

Overall

13253

Females

3981

F40-44

3981

30K→20M

18.6 - 20.0 mi

Top 40%
×5
+64ft-50ft

Overall

11494

Females

3150

F40-44

3150

20M→21M

20.0 - 21.0 mi

Top 34%
×8
+106ft-24ft

Overall

9839

Females

2444

F40-44

2444

21M→35K

21.0 - 21.8 mi

Top 34%
×7
+17ft-86ft

Overall

9974

Females

2497

F40-44

2497

35K→23M

21.8 - 23.0 mi

Top 32%
×5
+23ft-63ft

Overall

9275

Females

2231

F40-44

2231

23M→24M

23.0 - 24.0 mi

Top 28%
×6
+12ft-82ft

Overall

8155

Females

1812

F40-44

1812

24M→40K

24.0 - 24.9 mi

Top 26%
×1
+6ft-20ft

Overall

7574

Females

1634

F40-44

1634

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8042

Females

1924

F40-44

1924

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8769

Females

2290

F40-44

2290

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3556*
Passed By
594
Net Change
+2897
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15604
5K → 10K531*124+407#15604#15197
10K → 15K169200-96#15197#15293
15K → 20K460*22+438#15293#14855
20K → HALF2058-38#14855#14893
HALF → 25K155121+34#14893#14859
25K → 30K385*48+337#14859#14522
30K → 20M273*8+265#14522#14257
20M → 21M299*2+297#14257#13960
21M → 35K1691+168#13960#13792
35K → 23M302*4+298#13792#13494
23M → 24M268*0+268#13494#13226
24M → 40K218*1+217#13226#13009
40K → 25.2M882+86#13009#12923
25.2M → FINISH219*3+216#12923#12707
TOTALS3556*594+2897

* 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

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OTQ

Olympic Trials Qualifying analysis available

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