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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Alison Ammundsen

Bib: 23667 •F •Age: N/A

Boston Marathon logo
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
28:06
3.11 mi
Rank: #22864
Start → 5K
28:06 | 9:03/mi
10K
56:22
6.21 mi
Rank: #23039 (-175)
5K → 10K
28:16 | 9:06/mi
15K
1:24:32
9.32 mi
Rank: #23002 (+37)
10K → 15K
28:10 | 9:04/mi
20K
1:52:32
12.43 mi
Rank: #22729 (+273)
15K → 20K
28:00 | 9:01/mi
HALF
1:58:58
13.11 mi
Rank: #22847 (-118)
20K → HALF
6:26 | 9:27/mi
25K
2:21:15
15.53 mi
Rank: #22687 (+160)
HALF → 25K
22:17 | 9:12/mi
30K
2:50:32
18.64 mi
Rank: #22409 (+278)
25K → 30K
29:17 | 9:26/mi
20M
3:03:31
20.00 mi
Rank: #22307 (+102)
30K → 20M
12:59 | 9:34/mi
21M
3:13:24
21.00 mi
Rank: #22167 (+140)
20M → 21M
9:53 | 9:53/mi
35K
3:20:15
21.75 mi
Rank: #22096 (+71)
21M → 35K
6:51 | 9:10/mi
23M
3:32:35
23.00 mi
Rank: #22093 (+3)
35K → 23M
12:20 | 9:52/mi
24M
3:42:17
24.00 mi
Rank: #22087 (+6)
23M → 24M
9:42 | 9:42/mi
40K
3:50:37
24.85 mi
Rank: #22076 (+11)
24M → 40K
8:20 | 9:45/mi
25.2M
3:54:12
25.20 mi
Rank: #22049 (+27)
40K → 25.2M
3:35 | 10:24/mi
FINISH
4:03:36
26.22 mi
Rank: #22019 (+30)
25.2M → FINISH
9:24 | 9:14/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
Time1:58:58
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:04:38
Pace9:31 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:2028:069:0328:06
9:03
-
10K
6.21 mi11:59:3656:229:0528:16
9:06
+0:03
15K
9.32 mi12:27:461:24:329:0528:10
9:04
-0:02
20K
12.43 mi12:55:461:52:329:0428:00
9:01
-0:03
HALF
13.11 mi13:02:121:58:589:056:26
9:27
+0:26
25K
15.53 mi13:24:292:21:159:0622:17
9:12
-0:15
30K
18.64 mi13:53:462:50:329:0929:17
9:26
+0:14
20M
20.00 mi14:06:453:03:319:1112:59
9:34
+0:08
21M
21.00 mi14:16:383:13:249:139:53
9:53
+0:19
35K
21.75 mi14:23:293:20:159:136:51
9:10
-0:43
23M
23.00 mi14:35:493:32:359:1512:20
9:52
+0:42
24M
24.00 mi14:45:313:42:179:169:42
9:42
-0:10
40K
24.85 mi14:53:513:50:379:178:20
9:45
+0:03
25.2M
25.20 mi14:57:263:54:129:183:35
10:24
+0:39
FINISH
26.22 mi15:06:504:03:369:189:24
9:14
-1:10

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

9:01 /mi

Average Pace

9:18 /mi

Slowest Pace

10:24 /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

4:00:01

99% of race

Time at Steady Pace

3:35

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:17 /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 mi11:31:2028:069:0328:06
9:03
#22864
10K
6.21 mi11:59:3656:229:0528:16
9:06
#23039
15K
9.32 mi12:27:461:24:329:0528:10
9:04
#23002
20K
12.43 mi12:55:461:52:329:0428:00
9:01
#22729
HALF
13.11 mi13:02:121:58:589:056:26
9:27
#22847
25K
15.53 mi13:24:292:21:159:0622:17
9:12
#22687
30K
18.64 mi13:53:462:50:329:0929:17
9:26
#22409
20M
20.00 mi14:06:453:03:319:1112:59
9:34
#22307
21M
21.00 mi14:16:383:13:249:139:53
9:53
#22167
35K
21.75 mi14:23:293:20:159:136:51
9:10
#22096
23M
23.00 mi14:35:493:32:359:1512:20
9:52
#22093
24M
24.00 mi14:45:313:42:179:169:42
9:42
#22087
40K
24.85 mi14:53:513:50:379:178:20
9:45
#22076
25.2M
25.20 mi14:57:263:54:129:183:35
10:24
#22049
FINISH
26.22 mi15:06:504:03:369:189:24
9:14
#22019
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 mi228649105910522993(Top 79%)9137(Top 73%)9137(Top 741%)
10K6.21 mi3.10 mi23039-1759188-839188-8323242(Top 80%)9281(Top 74%)9281(Top 753%)
15K9.32 mi3.11 mi23002+379144+449144+4422993(Top 79%)9137(Top 73%)9137(Top 741%)
20K12.43 mi3.11 mi22729+2739011+1339011+13321968(Top 76%)8637(Top 69%)8637(Top 700%)
HALF13.11 mi0.68 mi22847-1189075-649075-6424221(Top 83%)9796(Top 78%)9796(Top 794%)
25K15.53 mi2.42 mi22687+1609005+709005+7021995(Top 76%)8676(Top 69%)8676(Top 704%)
30K18.64 mi3.11 mi22409+2788898+1078898+10721387(Top 74%)8464(Top 67%)8464(Top 686%)
20M20.00 mi1.36 mi22307+1028852+468852+4621302(Top 73%)8505(Top 68%)8505(Top 690%)
21M21.00 mi1.00 mi22167+1408795+578795+5720067(Top 69%)7906(Top 63%)7906(Top 641%)
35K21.75 mi0.75 mi22096+718769+268769+2620681(Top 71%)8285(Top 66%)8285(Top 672%)
23M23.00 mi1.25 mi22093+38795-268795-2621726(Top 75%)8856(Top 70%)8856(Top 718%)
24M24.00 mi1.00 mi22087+68801-68801-621984(Top 76%)9033(Top 72%)9033(Top 733%)
40K24.85 mi0.85 mi22076+118807-68807-621198(Top 73%)8688(Top 69%)8688(Top 705%)
25.2M25.20 mi0.35 mi22049+278800+78800+720782(Top 72%)8460(Top 67%)8460(Top 686%)
FINISH26.22 mi1.02 mi22019+308790+108790+1021394(Top 74%)8770(Top 70%)8770(Top 711%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22993

Females

9137

F50-54

9137

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23242

Females

9281

F50-54

9281

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22993

Females

9137

F50-54

9137

15K→20K

9.3 - 12.4 mi

Top 76%
×5
+106ft-86ft

Overall

21968

Females

8637

F50-54

8637

20K→HALF

12.4 - 13.1 mi

Top 83%
×2
+19ft-37ft

Overall

24221

Females

9796

F50-54

9796

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

21995

Females

8676

F50-54

8676

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21387

Females

8464

F50-54

8464

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21302

Females

8505

F50-54

8505

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

20067

Females

7906

F50-54

7906

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20681

Females

8285

F50-54

8285

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21726

Females

8856

F50-54

8856

23M→24M

23.0 - 24.0 mi

Top 76%
×6
+12ft-82ft

Overall

21984

Females

9033

F50-54

9033

24M→40K

24.0 - 24.9 mi

Top 73%
×1
+6ft-20ft

Overall

21198

Females

8688

F50-54

8688

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1
+13ft-16ft

Overall

20782

Females

8460

F50-54

8460

25.2M→FINISH

25.2 - 26.2 mi

Top 74%
×2
+22ft-21ft

Overall

21394

Females

8770

F50-54

8770

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1883*
Passed By
875
Net Change
+845
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22864
5K → 10K188200-175#22864#23039
10K → 15K183146+37#23039#23002
15K → 20K310*37+273#23002#22729
20K → HALF8126-118#22729#22847
HALF → 25K20040+160#22847#22687
25K → 30K338*60+278#22687#22409
30K → 20M13432+102#22409#22307
20M → 21M15313+140#22307#22167
21M → 35K8716+71#22167#22096
35K → 23M8683+3#22096#22093
23M → 24M6054+6#22093#22087
24M → 40K4332+11#22087#22076
40K → 25.2M369+27#22076#22049
25.2M → FINISH5727+30#22049#22019
TOTALS1883*875+845

* 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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Activity Data

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