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BOSTON MARATHON 2026

Stacy Mcallister-Geller

Bib: 19588•F

NH

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
25:01
3.11 mi
Rank: #17319
Start → 5K
25:01 | 8:04/mi
10K
49:39
6.21 mi
Rank: #17012 (+307)
5K → 10K
24:38 | 7:56/mi
15K
1:14:09
9.32 mi
Rank: #16733 (+279)
10K → 15K
24:30 | 7:54/mi
20K
1:39:46
12.43 mi
Rank: #17006 (-273)
15K → 20K
25:37 | 8:15/mi
HALF
1:45:39
13.11 mi
Rank: #17261 (-255)
20K → HALF
5:53 | 8:38/mi
25K
2:06:29
15.53 mi
Rank: #17592 (-331)
HALF → 25K
20:50 | 8:36/mi
30K
2:34:37
18.64 mi
Rank: #17987 (-395)
25K → 30K
28:08 | 9:04/mi
20M
2:47:03
20.00 mi
Rank: #18106 (-119)
30K → 20M
12:26 | 9:10/mi
21M
2:56:38
21.00 mi
Rank: #18135 (-29)
20M → 21M
9:35 | 9:35/mi
35K
3:03:31
21.75 mi
Rank: #18262 (-127)
21M → 35K
6:53 | 9:13/mi
23M
3:14:50
23.00 mi
Rank: #18278 (-16)
35K → 23M
11:19 | 9:03/mi
24M
3:23:40
24.00 mi
Rank: #18290 (-12)
23M → 24M
8:50 | 8:50/mi
40K
3:31:15
24.85 mi
Rank: #18265 (+25)
24M → 40K
7:35 | 8:53/mi
25.2M
3:34:37
25.20 mi
Rank: #18261 (+4)
40K → 25.2M
3:22 | 9:46/mi
FINISH
3:42:48
26.22 mi
Rank: #18141 (+120)
25.2M → FINISH
8:11 | 8:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:39
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:57:09
Pace8:57 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:5025:018:0425:01
8:04
-
10K
6.21 mi11:33:2849:398:0024:38
7:56
-0:08
15K
9.32 mi11:57:581:14:097:5824:30
7:54
-0:02
20K
12.43 mi12:23:351:39:468:0225:37
8:15
+0:21
HALF
13.11 mi12:29:281:45:398:045:53
8:38
+0:23
25K
15.53 mi12:50:182:06:298:0920:50
8:36
-0:02
30K
18.64 mi13:18:262:34:378:1828:08
9:04
+0:28
20M
20.00 mi13:30:522:47:038:2212:26
9:10
+0:06
21M
21.00 mi13:40:272:56:388:259:35
9:35
+0:25
35K
21.75 mi13:47:203:03:318:276:53
9:13
-0:22
23M
23.00 mi13:58:393:14:508:2911:19
9:03
-0:10
24M
24.00 mi14:07:293:23:408:308:50
8:50
-0:13
40K
24.85 mi14:15:043:31:158:307:35
8:53
+0:03
25.2M
25.20 mi14:18:263:34:378:313:22
9:46
+0:53
FINISH
26.22 mi14:26:373:42:488:318:11
8:02
-1:44

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

7:54 /mi

Average Pace

8:30 /mi

Slowest Pace

9:46 /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

1:47:57

48% of race

Time at Steady Pace

1:22:35

37% of race

Time at Slower Pace

32:16

14% of race

Average Pace: 8:30 /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 mi11:08:5025:018:0425:01
8:04
#17319
10K
6.21 mi11:33:2849:398:0024:38
7:56
#17012
15K
9.32 mi11:57:581:14:097:5824:30
7:54
#16733
20K
12.43 mi12:23:351:39:468:0225:37
8:15
#17006
HALF
13.11 mi12:29:281:45:398:045:53
8:38
#17261
25K
15.53 mi12:50:182:06:298:0920:50
8:36
#17592
30K
18.64 mi13:18:262:34:378:1828:08
9:04
#17987
20M
20.00 mi13:30:522:47:038:2212:26
9:10
#18106
21M
21.00 mi13:40:272:56:388:259:35
9:35
#18135
35K
21.75 mi13:47:203:03:318:276:53
9:13
#18262
23M
23.00 mi13:58:393:14:508:2911:19
9:03
#18278
24M
24.00 mi14:07:293:23:408:308:50
8:50
#18290
40K
24.85 mi14:15:043:31:158:307:35
8:53
#18265
25.2M
25.20 mi14:18:263:34:378:313:22
9:46
#18261
FINISH
26.22 mi14:26:373:42:488:318:11
8:02
#18141
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 mi173196100610016090(Top 55%)5398(Top 43%)5398(Top 94%)
10K6.21 mi3.10 mi17012+3075940+1605940+16016719(Top 58%)5749(Top 46%)5749(Top 101%)
15K9.32 mi3.11 mi16733+2795765+1755765+17516090(Top 55%)5398(Top 43%)5398(Top 94%)
20K12.43 mi3.11 mi17006-2735940-1755940-17517793(Top 61%)6396(Top 51%)6396(Top 112%)
HALF13.11 mi0.68 mi17261-2556087-1476087-14720992(Top 72%)8100(Top 64%)8100(Top 142%)
25K15.53 mi2.42 mi17592-3316268-1816268-18119128(Top 66%)7190(Top 57%)7190(Top 126%)
30K18.64 mi3.11 mi17987-3956530-2626530-26219865(Top 68%)7671(Top 61%)7671(Top 134%)
20M20.00 mi1.36 mi18106-1196626-966626-9619664(Top 68%)7629(Top 61%)7629(Top 133%)
21M21.00 mi1.00 mi18135-296659-336659-3318898(Top 65%)7272(Top 58%)7272(Top 127%)
35K21.75 mi0.75 mi18262-1276735-766735-7620809(Top 72%)8341(Top 66%)8341(Top 146%)
23M23.00 mi1.25 mi18278-166770-356770-3518706(Top 64%)7322(Top 58%)7322(Top 128%)
24M24.00 mi1.00 mi18290-126788-186788-1818712(Top 64%)7359(Top 59%)7359(Top 129%)
40K24.85 mi0.85 mi18265+256790-26790-217757(Top 61%)6910(Top 55%)6910(Top 121%)
25.2M25.20 mi0.35 mi18261+46797-76797-718512(Top 64%)7309(Top 58%)7309(Top 128%)
FINISH26.22 mi1.02 mi18141+1206741+566741+5615419(Top 53%)5655(Top 45%)5655(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

16090

Females

5398

F18-39

5398

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16719

Females

5749

F18-39

5749

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

16090

Females

5398

F18-39

5398

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17793

Females

6396

F18-39

6396

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20992

Females

8100

F18-39

8100

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19128

Females

7190

F18-39

7190

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19865

Females

7671

F18-39

7671

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19664

Females

7629

F18-39

7629

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18898

Females

7272

F18-39

7272

21M→35K

21.0 - 21.8 mi

Top 72%
×7
+17ft-86ft

Overall

20809

Females

8341

F18-39

8341

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18706

Females

7322

F18-39

7322

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18712

Females

7359

F18-39

7359

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17757

Females

6910

F18-39

6910

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1
+13ft-16ft

Overall

18512

Females

7309

F18-39

7309

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15419

Females

5655

F18-39

5655

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1633
Passed By
2455
Net Change
-822
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17319
5K → 10K470163+307#17319#17012
10K → 15K36485+279#17012#16733
15K → 20K102375-273#16733#17006
20K → HALF6261-255#17006#17261
HALF → 25K55386-331#17261#17592
25K → 30K91486-395#17592#17987
30K → 20M62181-119#17987#18106
20M → 21M78107-29#18106#18135
21M → 35K17144-127#18135#18262
35K → 23M92108-16#18262#18278
23M → 24M5769-12#18278#18290
24M → 40K6944+25#18290#18265
40K → 25.2M3127+4#18265#18261
25.2M → FINISH13919+120#18261#18141
TOTALS16332455-822
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing