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BOSTON MARATHON 2026

Dayna Demers

Bib: 30421β€’F

MA

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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
51Β°/41Β°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
32:21
3.11 mi
Rank: #26995
Start β†’ 5K
32:21 | 10:25/mi
10K
1:05:03
6.21 mi
Rank: #26979 (+16)
5K β†’ 10K
32:42 | 10:32/mi
15K
1:37:39
9.32 mi
Rank: #26842 (+137)
10K β†’ 15K
32:36 | 10:30/mi
20K
2:10:09
12.43 mi
Rank: #26633 (+209)
15K β†’ 20K
32:30 | 10:28/mi
HALF
2:17:04
13.11 mi
Rank: #26582 (+51)
20K β†’ HALF
6:55 | 10:09/mi
25K
2:42:49
15.53 mi
Rank: #26433 (+149)
HALF β†’ 25K
25:45 | 10:38/mi
30K
3:17:35
18.64 mi
Rank: #26321 (+112)
25K β†’ 30K
34:46 | 11:12/mi
20M
3:32:43
20.00 mi
Rank: #26230 (+91)
30K β†’ 20M
15:08 | 11:09/mi
21M
3:44:47
21.00 mi
Rank: #26168 (+62)
20M β†’ 21M
12:04 | 12:04/mi
35K
3:52:56
21.75 mi
Rank: #26130 (+38)
21M β†’ 35K
8:09 | 10:54/mi
23M
4:06:50
23.00 mi
Rank: #26066 (+64)
35K β†’ 23M
13:54 | 11:07/mi
24M
4:17:49
24.00 mi
Rank: #26022 (+44)
23M β†’ 24M
10:59 | 10:59/mi
40K
4:27:37
24.85 mi
Rank: #25994 (+28)
24M β†’ 40K
9:48 | 11:28/mi
25.2M
4:31:58
25.20 mi
Rank: #25986 (+8)
40K β†’ 25.2M
4:21 | 12:37/mi
FINISH
4:42:49
26.22 mi
Rank: #25978 (+8)
25.2M β†’ FINISH
10:51 | 10:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:17:04
Pace10:28 /mi
2nd Half
Distance13.11 mi
Time2:25:45
Pace11:08 /mi
πŸ“ŠPositive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3632:2110:2532:21
10:25
-
10K
6.21 mi12:31:181:05:0310:2932:42
10:32
+0:07
15K
9.32 mi13:03:541:37:3910:2932:36
10:30
-0:02
20K
12.43 mi13:36:242:10:0910:2932:30
10:28
-0:02
HALF
13.11 mi13:43:192:17:0410:286:55
10:09
-0:19
25K
15.53 mi14:09:042:42:4910:2925:45
10:38
+0:29
30K
18.64 mi14:43:503:17:3510:3634:46
11:12
+0:34
20M
20.00 mi14:58:583:32:4310:3915:08
11:09
-0:03
21M
21.00 mi15:11:023:44:4710:4312:04
12:04
+0:55
35K
21.75 mi15:19:113:52:5610:438:09
10:54
-1:10
23M
23.00 mi15:33:054:06:5010:4413:54
11:07
+0:13
24M
24.00 mi15:44:044:17:4910:4510:59
10:59
-0:08
40K
24.85 mi15:53:524:27:3710:479:48
11:28
+0:29
25.2M
25.20 mi15:58:134:31:5810:484:21
12:37
+1:09
FINISH
26.22 mi16:09:044:42:4910:4810:51
10:39
-1:58

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

10:09 /mi

Average Pace

10:48 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:17:04

48% of race

Time at Steady Pace

1:59:32

42% of race

Time at Slower Pace

26:13

9% of race

Average Pace: 10:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:58:3632:2110:2532:21
10:25
#26995
10K
6.21 mi12:31:181:05:0310:2932:42
10:32
#26979
15K
9.32 mi13:03:541:37:3910:2932:36
10:30
#26842
20K
12.43 mi13:36:242:10:0910:2932:30
10:28
#26633
HALF
13.11 mi13:43:192:17:0410:286:55
10:09
#26582
25K
15.53 mi14:09:042:42:4910:2925:45
10:38
#26433
30K
18.64 mi14:43:503:17:3510:3634:46
11:12
#26321
20M
20.00 mi14:58:583:32:4310:3915:08
11:09
#26230
21M
21.00 mi15:11:023:44:4710:4312:04
12:04
#26168
35K
21.75 mi15:19:113:52:5610:438:09
10:54
#26130
23M
23.00 mi15:33:054:06:5010:4413:54
11:07
#26066
24M
24.00 mi15:44:044:17:4910:4510:59
10:59
#26022
40K
24.85 mi15:53:524:27:3710:479:48
11:28
#25994
25.2M
25.20 mi15:58:134:31:5810:484:21
12:37
#25986
FINISH
26.22 mi16:09:044:42:4910:4810:51
10:39
#25978
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 mi26995112751127526673(Top 92%)11113(Top 88%)11113(Top 622%)
10K6.21 mi3.10 mi26979+1611271+411271+426959(Top 93%)11270(Top 90%)11270(Top 631%)
15K9.32 mi3.11 mi26842+13711203+6811203+6826673(Top 92%)11113(Top 88%)11113(Top 622%)
20K12.43 mi3.11 mi26633+20911090+11311090+11326047(Top 90%)10767(Top 86%)10767(Top 603%)
HALF13.11 mi0.68 mi26582+5111069+2111069+2125980(Top 90%)10749(Top 85%)10749(Top 602%)
25K15.53 mi2.42 mi26433+14910988+8110988+8125673(Top 88%)10607(Top 84%)10607(Top 594%)
30K18.64 mi3.11 mi26321+11210957+3110957+3125685(Top 89%)10722(Top 85%)10722(Top 600%)
20M20.00 mi1.36 mi26230+9110918+3910918+3925175(Top 87%)10538(Top 84%)10538(Top 590%)
21M21.00 mi1.00 mi26168+6210889+2910889+2925174(Top 87%)10592(Top 84%)10592(Top 593%)
35K21.75 mi0.75 mi26130+3810882+710882+725101(Top 86%)10574(Top 84%)10574(Top 592%)
23M23.00 mi1.25 mi26066+6410850+3210850+3224733(Top 85%)10433(Top 83%)10433(Top 584%)
24M24.00 mi1.00 mi26022+4410845+510845+525090(Top 86%)10651(Top 85%)10651(Top 596%)
40K24.85 mi0.85 mi25994+2810842+310842+325058(Top 86%)10664(Top 85%)10664(Top 597%)
25.2M25.20 mi0.35 mi25986+810839+310839+325550(Top 88%)10890(Top 87%)10890(Top 610%)
FINISH26.22 mi1.02 mi25978+810845-610845-625403(Top 88%)10844(Top 86%)10844(Top 607%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26673

Females

11113

F45-49

11113

5K→10K

3.1 - 6.2 mi

Top 93%
Γ—5
+79ft-138ft

Overall

26959

Females

11270

F45-49

11270

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26673

Females

11113

F45-49

11113

15K→20K

9.3 - 12.4 mi

Top 90%
Γ—5
+106ft-86ft

Overall

26047

Females

10767

F45-49

10767

20K→HALF

12.4 - 13.1 mi

Top 90%
Γ—2
+19ft-37ft

Overall

25980

Females

10749

F45-49

10749

HALF→25K

13.1 - 15.5 mi

Top 88%
Γ—4
+66ft-88ft

Overall

25673

Females

10607

F45-49

10607

25K→30K

15.5 - 18.6 mi

Top 89%
Γ—9
+181ft-148ft

Overall

25685

Females

10722

F45-49

10722

30K→20M

18.6 - 20.0 mi

Top 87%
Γ—5
+64ft-50ft

Overall

25175

Females

10538

F45-49

10538

20M→21M

20.0 - 21.0 mi

Top 87%
Γ—8
+106ft-24ft

Overall

25174

Females

10592

F45-49

10592

21M→35K

21.0 - 21.8 mi

Top 86%
Γ—7
+17ft-86ft

Overall

25101

Females

10574

F45-49

10574

35K→23M

21.8 - 23.0 mi

Top 85%
Γ—5
+23ft-63ft

Overall

24733

Females

10433

F45-49

10433

23M→24M

23.0 - 24.0 mi

Top 86%
Γ—6
+12ft-82ft

Overall

25090

Females

10651

F45-49

10651

24M→40K

24.0 - 24.9 mi

Top 86%
Γ—1
+6ft-20ft

Overall

25058

Females

10664

F45-49

10664

40K→25.2M

24.9 - 25.2 mi

Top 88%
Γ—1
+13ft-16ft

Overall

25550

Females

10890

F45-49

10890

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
Γ—2
+22ft-21ft

Overall

25403

Females

10844

F45-49

10844

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 8 hours ago. This usually takes 10-20 minutes. Please check back shortly.

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