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BOSTON MARATHON 2026

Ailsa Drelick

Bib: 23001•F

PA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Top 32%
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
26:00
3.11 mi
Rank: #19339
Start → 5K
26:00 | 8:23/mi
10K
51:21
6.21 mi
Rank: #18812 (+527)
5K → 10K
25:21 | 8:10/mi
15K
1:17:04
9.32 mi
Rank: #18816 (-4)
10K → 15K
25:43 | 8:17/mi
20K
1:43:34
12.43 mi
Rank: #18968 (-152)
15K → 20K
26:30 | 8:32/mi
HALF
1:49:08
13.11 mi
Rank: #18926 (+42)
20K → HALF
5:34 | 8:10/mi
25K
2:09:36
15.53 mi
Rank: #18797 (+129)
HALF → 25K
20:28 | 8:27/mi
30K
2:37:04
18.64 mi
Rank: #18763 (+34)
25K → 30K
27:28 | 8:51/mi
20M
2:49:10
20.00 mi
Rank: #18723 (+40)
30K → 20M
12:06 | 8:55/mi
21M
2:58:50
21.00 mi
Rank: #18745 (-22)
20M → 21M
9:40 | 9:40/mi
35K
3:05:20
21.75 mi
Rank: #18746 (-1)
21M → 35K
6:30 | 8:42/mi
23M
3:17:02
23.00 mi
Rank: #18840 (-94)
35K → 23M
11:42 | 9:21/mi
24M
3:26:22
24.00 mi
Rank: #18940 (-100)
23M → 24M
9:20 | 9:20/mi
40K
3:34:49
24.85 mi
Rank: #19101 (-161)
24M → 40K
8:27 | 9:53/mi
25.2M
3:38:44
25.20 mi
Rank: #19219 (-118)
40K → 25.2M
3:55 | 11:22/mi
FINISH
3:48:21
26.22 mi
Rank: #19391 (-172)
25.2M → FINISH
9:37 | 9:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:08
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:59:13
Pace9:06 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3526:008:2326:00
8:23
-
10K
6.21 mi11:53:5651:218:1625:21
8:10
-0:13
15K
9.32 mi12:19:391:17:048:1725:43
8:17
+0:07
20K
12.43 mi12:46:091:43:348:2126:30
8:32
+0:15
HALF
13.11 mi12:51:431:49:088:205:34
8:10
-0:22
25K
15.53 mi13:12:112:09:368:2120:28
8:27
+0:17
30K
18.64 mi13:39:392:37:048:2627:28
8:51
+0:24
20M
20.00 mi13:51:452:49:108:2812:06
8:55
+0:04
21M
21.00 mi14:01:252:58:508:319:40
9:40
+0:45
35K
21.75 mi14:07:553:05:208:326:30
8:42
-0:58
23M
23.00 mi14:19:373:17:028:3511:42
9:21
+0:39
24M
24.00 mi14:28:573:26:228:369:20
9:20
-0:01
40K
24.85 mi14:37:243:34:498:398:27
9:53
+0:33
25.2M
25.20 mi14:41:193:38:448:413:55
11:22
+1:29
FINISH
26.22 mi14:50:563:48:218:439:37
9:27
-1:55

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

8:10 /mi

Average Pace

8:43 /mi

Slowest Pace

11:22 /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

1:22:38

36% of race

Time at Steady Pace

1:33:02

41% of race

Time at Slower Pace

52:41

23% of race

Average Pace: 8:43 /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 mi11:28:3526:008:2326:00
8:23
#19339
10K
6.21 mi11:53:5651:218:1625:21
8:10
#18812
15K
9.32 mi12:19:391:17:048:1725:43
8:17
#18816
20K
12.43 mi12:46:091:43:348:2126:30
8:32
#18968
HALF
13.11 mi12:51:431:49:088:205:34
8:10
#18926
25K
15.53 mi13:12:112:09:368:2120:28
8:27
#18797
30K
18.64 mi13:39:392:37:048:2627:28
8:51
#18763
20M
20.00 mi13:51:452:49:108:2812:06
8:55
#18723
21M
21.00 mi14:01:252:58:508:319:40
9:40
#18745
35K
21.75 mi14:07:553:05:208:326:30
8:42
#18746
23M
23.00 mi14:19:373:17:028:3511:42
9:21
#18840
24M
24.00 mi14:28:573:26:228:369:20
9:20
#18940
40K
24.85 mi14:37:243:34:498:398:27
9:53
#19101
25.2M
25.20 mi14:41:193:38:448:413:55
11:22
#19219
FINISH
26.22 mi14:50:563:48:218:439:37
9:27
#19391
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi193397270727018857(Top 65%)6953(Top 55%)6953(Top 731%)
10K6.21 mi3.10 mi18812+5276960+3106960+31018355(Top 63%)6668(Top 53%)6668(Top 701%)
15K9.32 mi3.11 mi18816-46945+156945+1518857(Top 65%)6953(Top 55%)6953(Top 731%)
20K12.43 mi3.11 mi18968-1527045-1007045-10019482(Top 67%)7350(Top 58%)7350(Top 773%)
HALF13.11 mi0.68 mi18926+427020+257020+2518270(Top 63%)6643(Top 53%)6643(Top 699%)
25K15.53 mi2.42 mi18797+1296950+706950+7018234(Top 63%)6711(Top 53%)6711(Top 706%)
30K18.64 mi3.11 mi18763+346980-306980-3018788(Top 65%)7103(Top 56%)7103(Top 747%)
20M20.00 mi1.36 mi18723+406965+156965+1518514(Top 64%)7039(Top 56%)7039(Top 740%)
21M21.00 mi1.00 mi18745-226995-306995-3019268(Top 66%)7466(Top 59%)7466(Top 785%)
35K21.75 mi0.75 mi18746-17007-127007-1218600(Top 64%)7215(Top 57%)7215(Top 759%)
23M23.00 mi1.25 mi18840-947084-777084-7720037(Top 69%)7996(Top 64%)7996(Top 841%)
24M24.00 mi1.00 mi18940-1007157-737157-7320750(Top 71%)8414(Top 67%)8414(Top 885%)
40K24.85 mi0.85 mi19101-1617270-1137270-11321604(Top 74%)8896(Top 71%)8896(Top 935%)
25.2M25.20 mi0.35 mi19219-1187337-677337-6723221(Top 80%)9723(Top 77%)9723(Top 1022%)
FINISH26.22 mi1.02 mi19391-1727438-1017438-10122150(Top 76%)9141(Top 73%)9141(Top 961%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21
+97ft-345ft

Overall

18857

Females

6953

F55-59

6953

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18355

Females

6668

F55-59

6668

10K→15K

6.2 - 9.3 mi

Top 65%
×3
+67ft-78ft

Overall

18857

Females

6953

F55-59

6953

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19482

Females

7350

F55-59

7350

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18270

Females

6643

F55-59

6643

HALF→25K

13.1 - 15.5 mi

Top 63%
×4
+66ft-88ft

Overall

18234

Females

6711

F55-59

6711

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18788

Females

7103

F55-59

7103

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18514

Females

7039

F55-59

7039

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19268

Females

7466

F55-59

7466

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18600

Females

7215

F55-59

7215

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

20037

Females

7996

F55-59

7996

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20750

Females

8414

F55-59

8414

24M→40K

24.0 - 24.9 mi

Top 74%
×1
+6ft-20ft

Overall

21604

Females

8896

F55-59

8896

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23221

Females

9723

F55-59

9723

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

22150

Females

9141

F55-59

9141

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1736
Passed By
1788
Net Change
-52
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19339
5K → 10K61992+527#19339#18812
10K → 15K176180-4#18812#18816
15K → 20K107259-152#18816#18968
20K → HALF5412+42#18968#18926
HALF → 25K20475+129#18926#18797
25K → 30K185151+34#18797#18763
30K → 20M11171+40#18763#18723
20M → 21M84106-22#18723#18745
21M → 35K5455-1#18745#18746
35K → 23M62156-94#18746#18840
23M → 24M36136-100#18840#18940
24M → 40K23184-161#18940#19101
40K → 25.2M8126-118#19101#19219
25.2M → FINISH13185-172#19219#19391
TOTALS17361788-52
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing