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BOSTON MARATHON 2025

Zoe Greenberg

Bib: 10309•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:10
Rank: #11880
Start → 5K
23:10 | 7:27/mi
10K· 6.21 mi
47:07
Rank: #12874 (-994)
5K → 10K
23:57 | 7:43/mi
15K· 9.32 mi
1:12:46
Rank: #14682 (-1808)
10K → 15K
25:39 | 8:15/mi
20K· 12.43 mi
1:38:01
Rank: #14976 (-294)
15K → 20K
25:15 | 8:08/mi
Half· 13.11 mi
1:43:18
Rank: #14921 (+55)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:04:14
Rank: #15522 (-601)
Half → 25K
20:56 | 8:38/mi
30K· 18.64 mi
2:31:13
Rank: #15612 (-90)
25K → 30K
26:59 | 8:41/mi
20M
2:43:20
Rank: #15610 (+2)
30K → 20M
12:07 | 8:55/mi
21M
2:52:50
Rank: #15617 (-7)
20M → 21M
9:30 | 9:30/mi
35K· 21.75 mi
2:59:33
Rank: #15697 (-80)
21M → 35K
6:43 | 8:59/mi
23M
3:10:37
Rank: #15636 (+61)
35K → 23M
11:04 | 8:50/mi
24M
3:19:07
Rank: #15566 (+70)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:26:21
Rank: #15454 (+112)
24M → 40K
7:14 | 8:28/mi
25.2M
3:29:26
Rank: #15381 (+73)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:37:29
Rank: #15263 (+118)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:18
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:54:11
Pace8:43 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:4623:107:2723:10
7:27
-
10K
6.21 mi11:20:4347:077:3523:57
7:43
+0:16
15K
9.32 mi11:46:221:12:467:4825:39
8:15
+0:32
20K
12.43 mi12:11:371:38:017:5325:15
8:08
-0:07
Half
13.11 mi12:16:541:43:187:535:17
7:45
-0:23
25K
15.53 mi12:37:502:04:148:0020:56
8:38
+0:53
30K
18.64 mi13:04:492:31:138:0726:59
8:41
+0:03
20M
20.00 mi13:16:562:43:208:1012:07
8:55
+0:14
21M
21.00 mi13:26:262:52:508:149:30
9:30
+0:35
35K
21.75 mi13:33:092:59:338:156:43
8:59
-0:31
23M
23.00 mi13:44:133:10:378:1711:04
8:50
-0:09
24M
24.00 mi13:52:433:19:078:188:30
8:30
-0:20
40K
24.85 mi13:59:573:26:218:187:14
8:28
-0:02
25.2M
25.20 mi14:03:023:29:268:193:05
8:56
+0:28
Finish
26.22 mi14:11:053:37:298:188:03
7:54
-1:02

Checkpoints & Pacing

📈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

7:27 /mi

Average Pace

8:18 /mi

Slowest Pace

9:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:42

39% of race

Time at Steady Pace

1:29:18

41% of race

Time at Slower Pace

42:29

20% of race

Average Pace: 8:18 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:56:4623:107:2723:10
7:27
#11880
10K
6.21 mi11:20:4347:077:3523:57
7:43
#12874
15K
9.32 mi11:46:221:12:467:4825:39
8:15
#14682
20K
12.43 mi12:11:371:38:017:5325:15
8:08
#14976
Half
13.11 mi12:16:541:43:187:535:17
7:45
#14921
25K
15.53 mi12:37:502:04:148:0020:56
8:38
#15522
30K
18.64 mi13:04:492:31:138:0726:59
8:41
#15612
20M
20.00 mi13:16:562:43:208:1012:07
8:55
#15610
21M
21.00 mi13:26:262:52:508:149:30
9:30
#15617
35K
21.75 mi13:33:092:59:338:156:43
8:59
#15697
23M
23.00 mi13:44:133:10:378:1711:04
8:50
#15636
24M
24.00 mi13:52:433:19:078:188:30
8:30
#15566
40K
24.85 mi13:59:573:26:218:187:14
8:28
#15454
25.2M
25.20 mi14:03:023:29:268:193:05
8:56
#15381
Finish
26.22 mi14:11:053:37:298:188:03
7:54
#15263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118802735273517773(Top 63%)6183(Top 51%)6183(Top 113%)
10K6.21 mi3.10 mi12874-9943276-5413276-54113988(Top 49%)3957(Top 32%)3957(Top 72%)
15K9.32 mi3.11 mi14682-18084364-10884364-108817773(Top 63%)6183(Top 51%)6183(Top 113%)
20K12.43 mi3.11 mi14976-2944571-2074571-20715848(Top 56%)5127(Top 42%)5127(Top 94%)
Half13.11 mi0.68 mi14921+554547+244547+2413863(Top 49%)4002(Top 33%)4002(Top 73%)
25K15.53 mi2.42 mi15522-6014901-3544901-35418008(Top 63%)6429(Top 53%)6429(Top 118%)
30K18.64 mi3.11 mi15612-905001-1005001-10015907(Top 56%)5408(Top 44%)5408(Top 99%)
20M20.00 mi1.36 mi15610+25040-395040-3916346(Top 58%)5794(Top 47%)5794(Top 106%)
21M21.00 mi1.00 mi15617-75084-445084-4416087(Top 57%)5746(Top 47%)5746(Top 105%)
35K21.75 mi0.75 mi15697-805152-685152-6818132(Top 64%)6968(Top 57%)6968(Top 127%)
23M23.00 mi1.25 mi15636+615151+15151+115333(Top 54%)5507(Top 45%)5507(Top 101%)
24M24.00 mi1.00 mi15566+705128+235128+2314527(Top 51%)5112(Top 42%)5112(Top 93%)
40K24.85 mi0.85 mi15454+1125103+255103+2513224(Top 47%)4569(Top 37%)4569(Top 84%)
25.2M25.20 mi0.35 mi15381+735068+355068+3511569(Top 41%)3806(Top 31%)3806(Top 70%)
Finish26.22 mi1.02 mi15263+1185023+455023+4512211(Top 43%)4048(Top 33%)4048(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17773

Females

6183

F18-39

6183

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13988

Females

3957

F18-39

3957

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17773

Females

6183

F18-39

6183

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15848

Females

5127

F18-39

5127

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13863

Females

4002

F18-39

4002

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

18008

Females

6429

F18-39

6429

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15907

Females

5408

F18-39

5408

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16346

Females

5794

F18-39

5794

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16087

Females

5746

F18-39

5746

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18132

Females

6968

F18-39

6968

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15333

Females

5507

F18-39

5507

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14527

Females

5112

F18-39

5112

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13224

Females

4569

F18-39

4569

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11569

Females

3806

F18-39

3806

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12211

Females

4048

F18-39

4048

Passing Analysis

Category:
Athletes Passed
1384
Passed By
4767
Net Change
-3383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11880
5K → 10K431037-994#11880#12874
10K → 15K151823-1808#12874#14682
15K → 20K142436-294#14682#14976
20K → Half7015+55#14976#14921
Half → 25K59660-601#14921#15522
25K → 30K213303-90#15522#15612
30K → 20M120118+2#15612#15610
20M → 21M112119-7#15610#15617
21M → 35K41121-80#15617#15697
35K → 23M13069+61#15697#15636
23M → 24M10232+70#15636#15566
24M → 40K13018+112#15566#15454
40K → 25.2M763+73#15454#15381
25.2M → Finish13113+118#15381#15263
TOTALS13844767-3383
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing