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BOSTON MARATHON 2026

Mary Grier

Bib: 30464•F

NY

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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
29:18
3.11 mi
Rank: #24257
Start → 5K
29:18 | 9:26/mi
10K
57:23
6.21 mi
Rank: #23677 (+580)
5K → 10K
28:05 | 9:03/mi
15K
1:24:40
9.32 mi
Rank: #23060 (+617)
10K → 15K
27:17 | 8:47/mi
20K
1:51:38
12.43 mi
Rank: #22411 (+649)
15K → 20K
26:58 | 8:41/mi
HALF
1:57:18
13.11 mi
Rank: #22253 (+158)
20K → HALF
5:40 | 8:19/mi
25K
2:18:03
15.53 mi
Rank: #21730 (+523)
HALF → 25K
20:45 | 8:34/mi
30K
2:45:19
18.64 mi
Rank: #21159 (+571)
25K → 30K
27:16 | 8:47/mi
20M
2:57:44
20.00 mi
Rank: #21020 (+139)
30K → 20M
12:25 | 9:09/mi
21M
3:07:14
21.00 mi
Rank: #20874 (+146)
20M → 21M
9:30 | 9:30/mi
35K
3:13:58
21.75 mi
Rank: #20832 (+42)
21M → 35K
6:44 | 9:01/mi
23M
3:25:29
23.00 mi
Rank: #20761 (+71)
35K → 23M
11:31 | 9:13/mi
24M
3:34:18
24.00 mi
Rank: #20679 (+82)
23M → 24M
8:49 | 8:49/mi
40K
3:41:44
24.85 mi
Rank: #20530 (+149)
24M → 40K
7:26 | 8:42/mi
25.2M
3:44:55
25.20 mi
Rank: #20465 (+65)
40K → 25.2M
3:11 | 9:14/mi
FINISH
3:52:39
26.22 mi
Rank: #20216 (+249)
25.2M → FINISH
7:44 | 7:36/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:57:18
Pace8:57 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:55:21
Pace8:48 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:1829:189:2629:18
9:26
-
10K
6.21 mi12:23:2357:239:1528:05
9:03
-0:23
15K
9.32 mi12:50:401:24:409:0627:17
8:47
-0:16
20K
12.43 mi13:17:381:51:388:5926:58
8:41
-0:06
HALF
13.11 mi13:23:181:57:188:575:40
8:19
-0:22
25K
15.53 mi13:44:032:18:038:5420:45
8:34
+0:15
30K
18.64 mi14:11:192:45:198:5327:16
8:47
+0:13
20M
20.00 mi14:23:442:57:448:5412:25
9:09
+0:22
21M
21.00 mi14:33:143:07:148:559:30
9:30
+0:21
35K
21.75 mi14:39:583:13:588:566:44
9:01
-0:29
23M
23.00 mi14:51:293:25:298:5711:31
9:13
+0:12
24M
24.00 mi15:00:183:34:188:568:49
8:49
-0:24
40K
24.85 mi15:07:443:41:448:567:26
8:42
-0:07
25.2M
25.20 mi15:10:553:44:558:563:11
9:14
+0:32
FINISH
26.22 mi15:18:393:52:398:537:44
7:36
-1:38

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

7:36 /mi

Average Pace

8:53 /mi

Slowest Pace

9:30 /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

34:09

15% of race

Time at Steady Pace

1:44:30

45% of race

Time at Slower Pace

1:34:00

40% of race

Average Pace: 8:52 /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 mi11:55:1829:189:2629:18
9:26
#24257
10K
6.21 mi12:23:2357:239:1528:05
9:03
#23677
15K
9.32 mi12:50:401:24:409:0627:17
8:47
#23060
20K
12.43 mi13:17:381:51:388:5926:58
8:41
#22411
HALF
13.11 mi13:23:181:57:188:575:40
8:19
#22253
25K
15.53 mi13:44:032:18:038:5420:45
8:34
#21730
30K
18.64 mi14:11:192:45:198:5327:16
8:47
#21159
20M
20.00 mi14:23:442:57:448:5412:25
9:09
#21020
21M
21.00 mi14:33:143:07:148:559:30
9:30
#20874
35K
21.75 mi14:39:583:13:588:566:44
9:01
#20832
23M
23.00 mi14:51:293:25:298:5711:31
9:13
#20761
24M
24.00 mi15:00:183:34:188:568:49
8:49
#20679
40K
24.85 mi15:07:443:41:448:567:26
8:42
#20530
25.2M
25.20 mi15:10:553:44:558:563:11
9:14
#20465
FINISH
26.22 mi15:18:393:52:398:537:44
7:36
#20216
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 mi242579793979321640(Top 75%)8445(Top 67%)8445(Top 148%)
10K6.21 mi3.10 mi23677+5809501+2929501+29222994(Top 79%)9150(Top 73%)9150(Top 160%)
15K9.32 mi3.11 mi23060+6179175+3269175+32621640(Top 75%)8445(Top 67%)8445(Top 148%)
20K12.43 mi3.11 mi22411+6498864+3118864+31120340(Top 70%)7809(Top 62%)7809(Top 137%)
HALF13.11 mi0.68 mi22253+1588780+848780+8419176(Top 66%)7147(Top 57%)7147(Top 125%)
25K15.53 mi2.42 mi21730+5238523+2578523+25718941(Top 65%)7095(Top 56%)7095(Top 124%)
30K18.64 mi3.11 mi21159+5718255+2688255+26818458(Top 64%)6925(Top 55%)6925(Top 121%)
20M20.00 mi1.36 mi21020+1398205+508205+5019621(Top 68%)7605(Top 60%)7605(Top 133%)
21M21.00 mi1.00 mi20874+1468138+678138+6718541(Top 64%)7090(Top 56%)7090(Top 124%)
35K21.75 mi0.75 mi20832+428119+198119+1920054(Top 69%)7968(Top 63%)7968(Top 139%)
23M23.00 mi1.25 mi20761+718105+148105+1419454(Top 67%)7708(Top 61%)7708(Top 135%)
24M24.00 mi1.00 mi20679+828070+358070+3518647(Top 64%)7327(Top 58%)7327(Top 128%)
40K24.85 mi0.85 mi20530+1498010+608010+6016876(Top 58%)6457(Top 51%)6457(Top 113%)
25.2M25.20 mi0.35 mi20465+657983+277983+2716074(Top 55%)6028(Top 48%)6028(Top 105%)
FINISH26.22 mi1.02 mi20216+2497878+1057878+10512202(Top 42%)3995(Top 32%)3995(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21640

Females

8445

F18-39

8445

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

22994

Females

9150

F18-39

9150

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21640

Females

8445

F18-39

8445

15K→20K

9.3 - 12.4 mi

Top 70%
×5
+106ft-86ft

Overall

20340

Females

7809

F18-39

7809

20K→HALF

12.4 - 13.1 mi

Top 66%
×2
+19ft-37ft

Overall

19176

Females

7147

F18-39

7147

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18941

Females

7095

F18-39

7095

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18458

Females

6925

F18-39

6925

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19621

Females

7605

F18-39

7605

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18541

Females

7090

F18-39

7090

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

20054

Females

7968

F18-39

7968

35K→23M

21.8 - 23.0 mi

Top 67%
×5
+23ft-63ft

Overall

19454

Females

7708

F18-39

7708

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18647

Females

7327

F18-39

7327

24M→40K

24.0 - 24.9 mi

Top 58%
×1
+6ft-20ft

Overall

16876

Females

6457

F18-39

6457

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1
+13ft-16ft

Overall

16074

Females

6028

F18-39

6028

25.2M→FINISH

25.2 - 26.2 mi

Top 42%
×2
+22ft-21ft

Overall

12202

Females

3995

F18-39

3995

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4229*
Passed By
188
Net Change
+4041
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24257
5K → 10K629*49+580#24257#23677
10K → 15K629*12+617#23677#23060
15K → 20K653*4+649#23060#22411
20K → HALF1580+158#22411#22253
HALF → 25K524*1+523#22253#21730
25K → 30K575*4+571#21730#21159
30K → 20M15112+139#21159#21020
20M → 21M16115+146#21020#20874
21M → 35K6927+42#20874#20832
35K → 23M11039+71#20832#20761
23M → 24M9917+82#20761#20679
24M → 40K1534+149#20679#20530
40K → 25.2M672+65#20530#20465
25.2M → FINISH251*2+249#20465#20216
TOTALS4229*188+4041

* 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