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BOSTON MARATHON 2025

Anne Groenewege

Bib: 23114•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Masters (Masters Women)
#0 / 6759
Top 22%
Division (F45-49)
#0 / 1813
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
49:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:13:43
↑ 67↓ 78
20K· 12.43 mi
8:07/mi
1:38:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:44:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:07/mi
2:04:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:22/mi
2:30:05
↑ 181↓ 1480.2%
20M
8:38/mi
2:41:49
↑ 64↓ 500.2%
21M
9:08/mi
2:50:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:57:03
↑ 17↓ 861.7%
23M
8:31/mi
3:07:43
↑ 23↓ 630.6%
24M
8:17/mi
3:16:00
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:23:03
↓ 200.3%
25.2M
8:54/mi
3:26:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:34:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:26
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:49:43
Pace8:22 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4624:367:5524:36
7:55
-
10K
6.21 mi11:45:1549:057:5424:29
7:53
-0:02
15K
9.32 mi12:09:531:13:437:5524:38
7:56
+0:03
20K
12.43 mi12:35:061:38:567:5825:13
8:07
+0:11
Half
13.11 mi12:40:361:44:267:585:30
8:04
-0:03
25K
15.53 mi13:00:162:04:067:5919:40
8:07
+0:03
30K
18.64 mi13:26:152:30:058:0325:59
8:22
+0:15
20M
20.00 mi13:37:592:41:498:0511:44
8:38
+0:16
21M
21.00 mi13:47:072:50:578:089:08
9:08
+0:30
35K
21.75 mi13:53:132:57:038:086:06
8:09
-0:59
23M
23.00 mi14:03:533:07:438:1010:40
8:31
+0:22
24M
24.00 mi14:12:103:16:008:108:17
8:17
-0:14
40K
24.85 mi14:19:133:23:038:107:03
8:15
-0:02
25.2M
25.20 mi14:22:173:26:078:113:04
8:54
+0:39
Finish
26.22 mi14:30:193:34:098:108:02
7:53
-1:01

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

7:53 /mi

Average Pace

8:10 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:57

94% of race

Time at Steady Pace

12:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:20:4624:367:5524:36
7:55
#15886
10K
6.21 mi11:45:1549:057:5424:29
7:53
#15666
15K
9.32 mi12:09:531:13:437:5524:38
7:56
#15577
20K
12.43 mi12:35:061:38:567:5825:13
8:07
#15646
Half
13.11 mi12:40:361:44:267:585:30
8:04
#15676
25K
15.53 mi13:00:162:04:067:5919:40
8:07
#15456
30K
18.64 mi13:26:152:30:058:0325:59
8:22
#15144
20M
20.00 mi13:37:592:41:498:0511:44
8:38
#15064
21M
21.00 mi13:47:072:50:578:089:08
9:08
#14963
35K
21.75 mi13:53:132:57:038:086:06
8:09
#14876
23M
23.00 mi14:03:533:07:438:1010:40
8:31
#14750
24M
24.00 mi14:12:103:16:008:108:17
8:17
#14660
40K
24.85 mi14:19:133:23:038:107:03
8:15
#14518
25.2M
25.20 mi14:22:173:26:078:113:04
8:54
#14451
Finish
26.22 mi14:30:193:34:098:108:02
7:53
#14332
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi158865070507015487(Top 55%)4854(Top 40%)4854(Top 268%)
10K6.21 mi3.10 mi15666+2204933+1374933+13715538(Top 55%)4854(Top 40%)4854(Top 268%)
15K9.32 mi3.11 mi15577+894888+454888+4515487(Top 55%)4854(Top 40%)4854(Top 268%)
20K12.43 mi3.11 mi15646-694956-684956-6815755(Top 55%)5064(Top 41%)5064(Top 279%)
Half13.11 mi0.68 mi15676-304979-234979-2316377(Top 58%)5382(Top 44%)5382(Top 297%)
25K15.53 mi2.42 mi15456+2204863+1164863+11614726(Top 52%)4601(Top 38%)4601(Top 254%)
30K18.64 mi3.11 mi15144+3124748+1154748+11513927(Top 49%)4325(Top 35%)4325(Top 239%)
20M20.00 mi1.36 mi15064+804740+84740+814649(Top 52%)4848(Top 40%)4848(Top 267%)
21M21.00 mi1.00 mi14963+1014697+434697+4314282(Top 50%)4775(Top 39%)4775(Top 263%)
35K21.75 mi0.75 mi14876+874665+324665+3213340(Top 47%)4339(Top 35%)4339(Top 239%)
23M23.00 mi1.25 mi14750+1264628+374628+3713442(Top 47%)4494(Top 37%)4494(Top 248%)
24M24.00 mi1.00 mi14660+904608+204608+2013165(Top 46%)4404(Top 36%)4404(Top 243%)
40K24.85 mi0.85 mi14518+1424557+514557+5111880(Top 42%)3867(Top 32%)3867(Top 213%)
25.2M25.20 mi0.35 mi14451+674533+244533+2411288(Top 40%)3662(Top 30%)3662(Top 202%)
Finish26.22 mi1.02 mi14332+1194499+344499+3412092(Top 43%)3980(Top 33%)3980(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15487

Females

4854

F45-49

4854

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

15538

Females

4854

F45-49

4854

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15487

Females

4854

F45-49

4854

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15755

Females

5064

F45-49

5064

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16377

Females

5382

F45-49

5382

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14726

Females

4601

F45-49

4601

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13927

Females

4325

F45-49

4325

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14649

Females

4848

F45-49

4848

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14282

Females

4775

F45-49

4775

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13340

Females

4339

F45-49

4339

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13442

Females

4494

F45-49

4494

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13165

Females

4404

F45-49

4404

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11880

Females

3867

F45-49

3867

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11288

Females

3662

F45-49

3662

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12092

Females

3980

F45-49

3980

Passing Analysis

Category:
Athletes Passed
2652
Passed By
1098
Net Change
+1554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15886
5K → 10K434214+220#15886#15666
10K → 15K251162+89#15666#15577
15K → 20K188257-69#15577#15646
20K → Half1646-30#15646#15676
Half → 25K28666+220#15676#15456
25K → 30K39684+312#15456#15144
30K → 20M15575+80#15144#15064
20M → 21M16261+101#15064#14963
21M → 35K10417+87#14963#14876
35K → 23M17852+126#14876#14750
23M → 24M11525+90#14750#14660
24M → 40K15816+142#14660#14518
40K → 25.2M725+67#14518#14451
25.2M → Finish13718+119#14451#14332
TOTALS26521098+1554
📊

Passing Visuals

Category:
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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