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BOSTON MARATHON 2026

Alexandria Deardorff

Bib: 17038•F

OH

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0:00
/ mi
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Overall
#0 / 29021
Top 30%
Gender (Female)
#0 / 12578
Top 13%
Age Group (F18-39)
#0 / 5716
Top 24%
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
22:52
3.11 mi
Rank: #11586
Start → 5K
22:52 | 7:22/mi
10K
45:56
6.21 mi
Rank: #11898 (-312)
5K → 10K
23:04 | 7:26/mi
15K
1:08:58
9.32 mi
Rank: #11940 (-42)
10K → 15K
23:02 | 7:25/mi
20K
1:31:39
12.43 mi
Rank: #11503 (+437)
15K → 20K
22:41 | 7:19/mi
HALF
1:36:29
13.11 mi
Rank: #11390 (+113)
20K → HALF
4:50 | 7:06/mi
25K
1:53:47
15.53 mi
Rank: #10822 (+568)
HALF → 25K
17:18 | 7:09/mi
30K
2:16:00
18.64 mi
Rank: #10016 (+806)
25K → 30K
22:13 | 7:10/mi
20M
2:25:45
20.00 mi
Rank: #9743 (+273)
30K → 20M
9:45 | 7:11/mi
21M
2:33:11
21.00 mi
Rank: #9507 (+236)
20M → 21M
7:26 | 7:26/mi
35K
2:38:26
21.75 mi
Rank: #9385 (+122)
21M → 35K
5:15 | 7:02/mi
23M
2:47:24
23.00 mi
Rank: #9135 (+250)
35K → 23M
8:58 | 7:10/mi
24M
2:54:28
24.00 mi
Rank: #9011 (+124)
23M → 24M
7:04 | 7:04/mi
40K
3:00:35
24.85 mi
Rank: #8865 (+146)
24M → 40K
6:07 | 7:10/mi
25.2M
3:03:10
25.20 mi
Rank: #8786 (+79)
40K → 25.2M
2:35 | 7:30/mi
FINISH
3:10:10
26.22 mi
Rank: #8666 (+120)
25.2M → FINISH
7:00 | 6:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:36:29
Pace7:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:33:41
Pace7:09 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:2422:527:2222:52
7:22
-
10K
6.21 mi11:27:2845:567:2423:04
7:26
+0:04
15K
9.32 mi11:50:301:08:587:2423:02
7:25
-0:01
20K
12.43 mi12:13:111:31:397:2322:41
7:19
-0:06
HALF
13.11 mi12:18:011:36:297:224:50
7:06
-0:13
25K
15.53 mi12:35:191:53:477:2017:18
7:09
+0:03
30K
18.64 mi12:57:322:16:007:1822:13
7:10
+0:01
20M
20.00 mi13:07:172:25:457:189:45
7:11
+0:01
21M
21.00 mi13:14:432:33:117:187:26
7:26
+0:15
35K
21.75 mi13:19:582:38:267:185:15
7:02
-0:24
23M
23.00 mi13:28:562:47:247:178:58
7:10
+0:08
24M
24.00 mi13:36:002:54:287:177:04
7:04
-0:06
40K
24.85 mi13:42:073:00:357:166:07
7:10
+0:06
25.2M
25.20 mi13:44:423:03:107:172:35
7:30
+0:20
FINISH
26.22 mi13:51:423:10:107:167:00
6:53
-0:37

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

6:53 /mi

Average Pace

7:15 /mi

Slowest Pace

7:30 /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

1:28:30

47% of race

Time at Steady Pace

1:41:40

53% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi11:04:2422:527:2222:52
7:22
#11586
10K
6.21 mi11:27:2845:567:2423:04
7:26
#11898
15K
9.32 mi11:50:301:08:587:2423:02
7:25
#11940
20K
12.43 mi12:13:111:31:397:2322:41
7:19
#11503
HALF
13.11 mi12:18:011:36:297:224:50
7:06
#11390
25K
15.53 mi12:35:191:53:477:2017:18
7:09
#10822
30K
18.64 mi12:57:322:16:007:1822:13
7:10
#10016
20M
20.00 mi13:07:172:25:457:189:45
7:11
#9743
21M
21.00 mi13:14:432:33:117:187:26
7:26
#9507
35K
21.75 mi13:19:582:38:267:185:15
7:02
#9385
23M
23.00 mi13:28:562:47:247:178:58
7:10
#9135
24M
24.00 mi13:36:002:54:287:177:04
7:04
#9011
40K
24.85 mi13:42:073:00:357:166:07
7:10
#8865
25.2M
25.20 mi13:44:423:03:107:172:35
7:30
#8786
FINISH
26.22 mi13:51:423:10:107:167:00
6:53
#8666
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 mi115862682268212069(Top 42%)3062(Top 24%)3062(Top 54%)
10K6.21 mi3.10 mi11898-3122877-1952877-19512306(Top 42%)3141(Top 25%)3141(Top 55%)
15K9.32 mi3.11 mi11940-422923-462923-4612069(Top 42%)3062(Top 24%)3062(Top 54%)
20K12.43 mi3.11 mi11503+4372716+2072716+20710196(Top 35%)2143(Top 17%)2143(Top 37%)
HALF13.11 mi0.68 mi11390+1132668+482668+489420(Top 32%)1700(Top 14%)1700(Top 30%)
25K15.53 mi2.42 mi10822+5682408+2602408+2608383(Top 29%)1398(Top 11%)1398(Top 24%)
30K18.64 mi3.11 mi10016+8062049+3592049+3597068(Top 24%)1019(Top 8%)1019(Top 18%)
20M20.00 mi1.36 mi9743+2731941+1081941+1086837(Top 24%)1025(Top 8%)1025(Top 18%)
21M21.00 mi1.00 mi9507+2361846+951846+956117(Top 21%)913(Top 7%)913(Top 16%)
35K21.75 mi0.75 mi9385+1221802+441802+447315(Top 25%)1295(Top 10%)1295(Top 23%)
23M23.00 mi1.25 mi9135+2501727+751727+756576(Top 23%)1086(Top 9%)1086(Top 19%)
24M24.00 mi1.00 mi9011+1241704+231704+236986(Top 24%)1289(Top 10%)1289(Top 23%)
40K24.85 mi0.85 mi8865+1461672+321672+326500(Top 22%)1175(Top 9%)1175(Top 21%)
25.2M25.20 mi0.35 mi8786+791650+221650+225308(Top 18%)862(Top 7%)862(Top 15%)
FINISH26.22 mi1.02 mi8666+1201622+281622+286621(Top 23%)1330(Top 11%)1330(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21
+97ft-345ft

Overall

12069

Females

3062

F18-39

3062

5K→10K

3.1 - 6.2 mi

Top 42%
×5
+79ft-138ft

Overall

12306

Females

3141

F18-39

3141

10K→15K

6.2 - 9.3 mi

Top 42%
×3
+67ft-78ft

Overall

12069

Females

3062

F18-39

3062

15K→20K

9.3 - 12.4 mi

Top 35%
×5
+106ft-86ft

Overall

10196

Females

2143

F18-39

2143

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9420

Females

1700

F18-39

1700

HALF→25K

13.1 - 15.5 mi

Top 29%
×4
+66ft-88ft

Overall

8383

Females

1398

F18-39

1398

25K→30K

15.5 - 18.6 mi

Top 24%
×9
+181ft-148ft

Overall

7068

Females

1019

F18-39

1019

30K→20M

18.6 - 20.0 mi

Top 24%
×5
+64ft-50ft

Overall

6837

Females

1025

F18-39

1025

20M→21M

20.0 - 21.0 mi

Top 21%
×8
+106ft-24ft

Overall

6117

Females

913

F18-39

913

21M→35K

21.0 - 21.8 mi

Top 25%
×7
+17ft-86ft

Overall

7315

Females

1295

F18-39

1295

35K→23M

21.8 - 23.0 mi

Top 23%
×5
+23ft-63ft

Overall

6576

Females

1086

F18-39

1086

23M→24M

23.0 - 24.0 mi

Top 24%
×6
+12ft-82ft

Overall

6986

Females

1289

F18-39

1289

24M→40K

24.0 - 24.9 mi

Top 22%
×1
+6ft-20ft

Overall

6500

Females

1175

F18-39

1175

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1
+13ft-16ft

Overall

5308

Females

862

F18-39

862

25.2M→FINISH

25.2 - 26.2 mi

Top 23%
×2
+22ft-21ft

Overall

6621

Females

1330

F18-39

1330

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3641*
Passed By
457
Net Change
+2920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11586
5K → 10K152200-312#11586#11898
10K → 15K150192-42#11898#11940
15K → 20K450*13+437#11940#11503
20K → HALF1152+113#11503#11390
HALF → 25K573*5+568#11390#10822
25K → 30K806*0+806#10822#10016
30K → 20M276*3+273#10016#9743
20M → 21M237*1+236#9743#9507
21M → 35K1297+122#9507#9385
35K → 23M256*6+250#9385#9135
23M → 24M1328+124#9135#9011
24M → 40K1515+146#9011#8865
40K → 25.2M790+79#8865#8786
25.2M → FINISH13515+120#8786#8666
TOTALS3641*457+2920

* 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

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing