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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Stacey Iofredo

Bib: 28282 •F •Age: N/A

FL

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 (F45-49)
#0 / 1786
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
28:48
3.11 mi
Rank: #23685
Start → 5K
28:48 | 9:17/mi
10K
57:16
6.21 mi
Rank: #23609 (+76)
5K → 10K
28:28 | 9:10/mi
15K
1:25:28
9.32 mi
Rank: #23451 (+158)
10K → 15K
28:12 | 9:05/mi
20K
1:54:04
12.43 mi
Rank: #23275 (+176)
15K → 20K
28:36 | 9:13/mi
HALF
2:00:17
13.11 mi
Rank: #23278 (-3)
20K → HALF
6:13 | 9:08/mi
25K
2:23:32
15.53 mi
Rank: #23262 (+16)
HALF → 25K
23:15 | 9:36/mi
30K
2:53:34
18.64 mi
Rank: #23035 (+227)
25K → 30K
30:02 | 9:41/mi
20M
3:07:00
20.00 mi
Rank: #22947 (+88)
30K → 20M
13:26 | 9:54/mi
21M
3:17:47
21.00 mi
Rank: #22899 (+48)
20M → 21M
10:47 | 10:47/mi
35K
3:24:47
21.75 mi
Rank: #22844 (+55)
21M → 35K
7:00 | 9:22/mi
23M
3:37:22
23.00 mi
Rank: #22805 (+39)
35K → 23M
12:35 | 10:04/mi
24M
3:47:06
24.00 mi
Rank: #22778 (+27)
23M → 24M
9:44 | 9:44/mi
40K
3:55:26
24.85 mi
Rank: #22693 (+85)
24M → 40K
8:20 | 9:45/mi
25.2M
3:59:32
25.20 mi
Rank: #22728 (-35)
40K → 25.2M
4:06 | 11:54/mi
FINISH
4:09:14
26.22 mi
Rank: #22711 (+17)
25.2M → FINISH
9:42 | 9:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:00:17
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:08:57
Pace9:51 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:1528:489:1728:48
9:17
-
10K
6.21 mi12:23:4357:169:1328:28
9:10
-0:07
15K
9.32 mi12:51:551:25:289:1128:12
9:05
-0:05
20K
12.43 mi13:20:311:54:049:1128:36
9:13
+0:08
HALF
13.11 mi13:26:442:00:179:116:13
9:08
-0:05
25K
15.53 mi13:49:592:23:329:1523:15
9:36
+0:28
30K
18.64 mi14:20:012:53:349:1930:02
9:41
+0:05
20M
20.00 mi14:33:273:07:009:2213:26
9:54
+0:13
21M
21.00 mi14:44:143:17:479:2610:47
10:47
+0:53
35K
21.75 mi14:51:143:24:479:257:00
9:22
-1:25
23M
23.00 mi15:03:493:37:229:2812:35
10:04
+0:42
24M
24.00 mi15:13:333:47:069:289:44
9:44
-0:20
40K
24.85 mi15:21:533:55:269:298:20
9:45
+0:01
25.2M
25.20 mi15:25:593:59:329:314:06
11:54
+2:09
FINISH
26.22 mi15:35:414:09:149:319:42
9:32
-2:22

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

9:05 /mi

Average Pace

9:31 /mi

Slowest Pace

11:54 /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

1:31:29

37% of race

Time at Steady Pace

2:10:17

52% of race

Time at Slower Pace

27:28

11% of race

Average Pace: 9:30 /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 mi11:55:1528:489:1728:48
9:17
#23685
10K
6.21 mi12:23:4357:169:1328:28
9:10
#23609
15K
9.32 mi12:51:551:25:289:1128:12
9:05
#23451
20K
12.43 mi13:20:311:54:049:1128:36
9:13
#23275
HALF
13.11 mi13:26:442:00:179:116:13
9:08
#23278
25K
15.53 mi13:49:592:23:329:1523:15
9:36
#23262
30K
18.64 mi14:20:012:53:349:1930:02
9:41
#23035
20M
20.00 mi14:33:273:07:009:2213:26
9:54
#22947
21M
21.00 mi14:44:143:17:479:2610:47
10:47
#22899
35K
21.75 mi14:51:143:24:479:257:00
9:22
#22844
23M
23.00 mi15:03:493:37:229:2812:35
10:04
#22805
24M
24.00 mi15:13:333:47:069:289:44
9:44
#22778
40K
24.85 mi15:21:533:55:269:298:20
9:45
#22693
25.2M
25.20 mi15:25:593:59:329:314:06
11:54
#22728
FINISH
26.22 mi15:35:414:09:149:319:42
9:32
#22711
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi236859514951423045(Top 79%)9168(Top 73%)9168(Top 513%)
10K6.21 mi3.10 mi23609+769478+369478+3623483(Top 81%)9389(Top 75%)9389(Top 526%)
15K9.32 mi3.11 mi23451+1589387+919387+9123045(Top 79%)9168(Top 73%)9168(Top 513%)
20K12.43 mi3.11 mi23275+1769303+849303+8422781(Top 78%)9059(Top 72%)9059(Top 507%)
HALF13.11 mi0.68 mi23278-39307-49307-423226(Top 80%)9274(Top 74%)9274(Top 519%)
25K15.53 mi2.42 mi23262+169306+19306+123268(Top 80%)9339(Top 74%)9339(Top 523%)
30K18.64 mi3.11 mi23035+2279223+839223+8322169(Top 76%)8849(Top 70%)8849(Top 495%)
20M20.00 mi1.36 mi22947+889190+339190+3322288(Top 77%)9001(Top 72%)9001(Top 504%)
21M21.00 mi1.00 mi22899+489185+59185+522646(Top 78%)9229(Top 73%)9229(Top 517%)
35K21.75 mi0.75 mi22844+559165+209165+2021369(Top 74%)8634(Top 69%)8634(Top 483%)
23M23.00 mi1.25 mi22805+399168-39168-322307(Top 77%)9157(Top 73%)9157(Top 513%)
24M24.00 mi1.00 mi22778+279165+39165+322072(Top 76%)9079(Top 72%)9079(Top 508%)
40K24.85 mi0.85 mi22693+859138+279138+2721204(Top 73%)8694(Top 69%)8694(Top 487%)
25.2M25.20 mi0.35 mi22728-359160-229160-2224254(Top 84%)10253(Top 82%)10253(Top 574%)
FINISH26.22 mi1.02 mi22711+179156+49156+422425(Top 77%)9297(Top 74%)9297(Top 521%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

23045

Females

9168

F45-49

9168

5K→10K

3.1 - 6.2 mi

Top 81%
×5
+79ft-138ft

Overall

23483

Females

9389

F45-49

9389

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

23045

Females

9168

F45-49

9168

15K→20K

9.3 - 12.4 mi

Top 78%
×5
+106ft-86ft

Overall

22781

Females

9059

F45-49

9059

20K→HALF

12.4 - 13.1 mi

Top 80%
×2
+19ft-37ft

Overall

23226

Females

9274

F45-49

9274

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23268

Females

9339

F45-49

9339

25K→30K

15.5 - 18.6 mi

Top 76%
×9
+181ft-148ft

Overall

22169

Females

8849

F45-49

8849

30K→20M

18.6 - 20.0 mi

Top 77%
×5
+64ft-50ft

Overall

22288

Females

9001

F45-49

9001

20M→21M

20.0 - 21.0 mi

Top 78%
×8
+106ft-24ft

Overall

22646

Females

9229

F45-49

9229

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21369

Females

8634

F45-49

8634

35K→23M

21.8 - 23.0 mi

Top 77%
×5
+23ft-63ft

Overall

22307

Females

9157

F45-49

9157

23M→24M

23.0 - 24.0 mi

Top 76%
×6
+12ft-82ft

Overall

22072

Females

9079

F45-49

9079

24M→40K

24.0 - 24.9 mi

Top 73%
×1
+6ft-20ft

Overall

21204

Females

8694

F45-49

8694

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1
+13ft-16ft

Overall

24254

Females

10253

F45-49

10253

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
×2
+22ft-21ft

Overall

22425

Females

9297

F45-49

9297

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1788*
Passed By
814
Net Change
+974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23685
5K → 10K271*195+76#23685#23609
10K → 15K244*86+158#23609#23451
15K → 20K244*68+176#23451#23275
20K → HALF2932-3#23275#23278
HALF → 25K133117+16#23278#23262
25K → 30K269*42+227#23262#23035
30K → 20M12537+88#23035#22947
20M → 21M10860+48#22947#22899
21M → 35K6510+55#22899#22844
35K → 23M8647+39#22844#22805
23M → 24M5528+27#22805#22778
24M → 40K10015+85#22778#22693
40K → 25.2M641-35#22693#22728
25.2M → FINISH5336+17#22728#22711
TOTALS1788*814+974

* 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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